142153932 has 24 divisors (see below), whose sum is σ = 351204336. Its totient is φ = 44597248.

The previous prime is 142153919. The next prime is 142153939. The reversal of 142153932 is 239351241.

It is a self number, because there is not a number n which added to its sum of digits gives 142153932.

It is not an unprimeable number, because it can be changed into a prime (142153939) 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, 348213 + ... + 348620.

It is an arithmetic number, because the mean of its divisors is an integer number (14633514).

Almost surely, 2^142153932 is an apocalyptic number.

142153932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142153932 is an abundant number, since it is smaller than the sum of its proper divisors (209050404).

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

142153932 is a wasteful number, since it uses less digits than its factorization.

142153932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696857 (or 696855 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 142153932 is about 11922.8323816113. The cubic root of 142153932 is about 521.8987927862.

The spelling of 142153932 in words is "one hundred forty-two million, one hundred fifty-three thousand, nine hundred thirty-two".