142945

142,945 is an odd composite number composed of four prime numbers multiplied together.

What does the number 142945 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

142945 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 142945:

5 × 11 × 23 × 113

See below for interesting mathematical facts about the number 142945 from the Numbermatics database.

Names of 142945

Cardinal: 142945 can be written as One hundred forty-two thousand, nine hundred forty-five.

Scientific notation

Scientific notation: 1.42945 × 10⁵

Factors of 142945

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 152

Divisors of 142945

Number of divisors d(n): 16
Complete list of divisors:
1 5 11 23 55 113 115 253 565 1243 1265 2599 6215 12995 28589 142945
Sum of all divisors σ(n): 196992
Sum of proper divisors (its aliquot sum) s(n): 54047
142945 is a deficient number, because the sum of its proper divisors (54047) is less than itself. Its deficiency is 88898

Bases of 142945

Binary: 100010111001100001₂
Hexadecimal: 0x22E61
Base-36: 32AP

Squares and roots of 142945

142945 squared (142945²) is 20433273025
142945 cubed (142945³) is 2920834212558625
The square root of 142945 is 378.0806792207
The cube root of 142945 is 52.2865101997

Scales and comparisons

How big is 142945?

142,945 seconds is equal to 1 day, 15 hours, 42 minutes, 25 seconds.
To count from 1 to 142,945 would take you about fifteen 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 142945 cubic inches would be around 4.4 feet tall.

Recreational maths with 142945

142945 backwards is 549241
The number of decimal digits it has is: 6
The sum of 142945's digits is 25
More coming soon!

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The information we have on file for 142945 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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