145665

145,665 is an odd composite number composed of four prime numbers multiplied together.

What does the number 145665 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

145665 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 145665:

3³ × 5 × 13 × 83

(3 × 3 × 3 × 5 × 13 × 83)

See below for interesting mathematical facts about the number 145665 from the Numbermatics database.

Names of 145665

Cardinal: 145665 can be written as One hundred forty-five thousand, six hundred sixty-five.

Scientific notation

Scientific notation: 1.45665 × 10⁵

Factors of 145665

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 104

Divisors of 145665

Number of divisors d(n): 32
Complete list of divisors:
1 3 5 9 13 15 27 39 45 65 83 117 135 195 249 351 415 585 747 1079 1245 1755 2241 3237 3735 5395 9711 11205 16185 29133 48555 145665
Sum of all divisors σ(n): 282240
Sum of proper divisors (its aliquot sum) s(n): 136575
145665 is a deficient number, because the sum of its proper divisors (136575) is less than itself. Its deficiency is 9090

Bases of 145665

Binary: 100011100100000001₂
Hexadecimal: 0x23901
Base-36: 34E9

Squares and roots of 145665

145665 squared (145665²) is 21218292225
145665 cubed (145665³) is 3090762536954625
The square root of 145665 is 381.6608442059
The cube root of 145665 is 52.6160697285

Scales and comparisons

How big is 145665?

145,665 seconds is equal to 1 day, 16 hours, 27 minutes, 45 seconds.
To count from 1 to 145,665 would take you about sixteen hours.

This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
A cube with a volume of 145665 cubic inches would be around 4.4 feet tall.

Recreational maths with 145665

145665 backwards is 566541
145665 is a Harshad number.
The number of decimal digits it has is: 6
The sum of 145665's digits is 27
More coming soon!

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The information we have on file for 145665 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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