157004032 has 18 divisors (see below), whose sum is σ = 313395278. Its totient is φ = 78501888.

The previous prime is 157004009. The next prime is 157004039. The reversal of 157004032 is 230400751.

It can be written as a sum of positive squares in only one way, i.e., 124010496 + 32993536 = 11136^2 + 5744^2 .

It is a junction number, because it is equal to n+sod(n) for n = 157003994 and 157004012.

It is not an unprimeable number, because it can be changed into a prime (157004039) 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 as a sum of consecutive naturals, namely, 306393 + ... + 306904.

Almost surely, 2^157004032 is an apocalyptic number.

It is an amenable number.

157004032 is a deficient number, since it is larger than the sum of its proper divisors (156391246).

157004032 is an frugal number, since it uses more digits than its factorization.

157004032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613313 (or 613299 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 157004032 is about 12530.1249794246. The cubic root of 157004032 is about 539.4736893016.

Adding to 157004032 its reverse (230400751), we get a palindrome (387404783).

The spelling of 157004032 in words is "one hundred fifty-seven million, four thousand, thirty-two".