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142665108 = 22314937963
BaseRepresentation
bin10001000000011…
…10010110010100
3100221110010201220
420200032112110
5243010240413
622053450340
73351430155
oct1040162624
9327403656
10142665108
1173592453
123b9409b0
1323731431
1414d3992c
15c7d1223
hex880e594

142665108 has 24 divisors (see below), whose sum is σ = 333150048. Its totient is φ = 47517216.

The previous prime is 142665101. The next prime is 142665109. The reversal of 142665108 is 801566241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142665101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13935 + ... + 21897.

It is an arithmetic number, because the mean of its divisors is an integer number (13881252).

Almost surely, 2142665108 is an apocalyptic number.

It is an amenable number.

142665108 is an abundant number, since it is smaller than the sum of its proper divisors (190484940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142665108 is a wasteful number, since it uses less digits than its factorization.

142665108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9463 (or 9461 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 142665108 is about 11944.2499973837. The cubic root of 142665108 is about 522.5236154555.

The spelling of 142665108 in words is "one hundred forty-two million, six hundred sixty-five thousand, one hundred eight".

Divisors: 1 2 3 4 6 12 1493 2986 4479 5972 7963 8958 15926 17916 23889 31852 47778 95556 11888759 23777518 35666277 47555036 71332554 142665108