157923392 has 42 divisors (see below), whose sum is σ = 344475054. Its totient is φ = 71779840.

The previous prime is 157923379. The next prime is 157923397. The reversal of 157923392 is 293329751.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 136983616 + 20939776 = 11704^2 + 4576^2 .

It is not an unprimeable number, because it can be changed into a prime (157923397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2453 + ... + 17940.

It is an arithmetic number, because the mean of its divisors is an integer number (8201787).

Almost surely, 2^157923392 is an apocalyptic number.

It is an amenable number.

157923392 is an abundant number, since it is smaller than the sum of its proper divisors (186551662).

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

157923392 is a wasteful number, since it uses less digits than its factorization.

157923392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20427 (or 20406 counting only the distinct ones).

The product of its digits is 102060, while the sum is 41.

The square root of 157923392 is about 12566.7574178863. The cubic root of 157923392 is about 540.5246295987.

The spelling of 157923392 in words is "one hundred fifty-seven million, nine hundred twenty-three thousand, three hundred ninety-two".