157439792 has 10 divisors (see below), whose sum is σ = 305039628. Its totient is φ = 78719888.

The previous prime is 157439791. The next prime is 157439803. The reversal of 157439792 is 297934751.

It is not an unprimeable number, because it can be changed into a prime (157439791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4919978 + ... + 4920009.

Almost surely, 2^157439792 is an apocalyptic number.

It is an amenable number.

157439792 is a deficient number, since it is larger than the sum of its proper divisors (147599836).

157439792 is an equidigital number, since it uses as much as digits as its factorization.

157439792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9839995 (or 9839989 counting only the distinct ones).

The product of its digits is 476280, while the sum is 47.

The square root of 157439792 is about 12547.5014245865. The cubic root of 157439792 is about 539.9723259709.

The spelling of 157439792 in words is "one hundred fifty-seven million, four hundred thirty-nine thousand, seven hundred ninety-two".