157137992 has 32 divisors (see below), whose sum is σ = 323136000. Its totient is φ = 71044800.

The previous prime is 157137983. The next prime is 157138027. The reversal of 157137992 is 299731751.

157137992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12134 + ... + 21482.

It is an arithmetic number, because the mean of its divisors is an integer number (10098000).

Almost surely, 2^157137992 is an apocalyptic number.

It is an amenable number.

157137992 is an abundant number, since it is smaller than the sum of its proper divisors (165998008).

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

157137992 is a wasteful number, since it uses less digits than its factorization.

157137992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9557 (or 9553 counting only the distinct ones).

The product of its digits is 119070, while the sum is 44.

The square root of 157137992 is about 12535.4693569886. The cubic root of 157137992 is about 539.6270767669.

The spelling of 157137992 in words is "one hundred fifty-seven million, one hundred thirty-seven thousand, nine hundred ninety-two".