157117204 has 6 divisors (see below), whose sum is σ = 274955114. Its totient is φ = 78558600.

The previous prime is 157117189. The next prime is 157117229. The reversal of 157117204 is 402711751.

157117204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 134096400 + 23020804 = 11580^2 + 4798^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19639647 + ... + 19639654.

Almost surely, 2^157117204 is an apocalyptic number.

It is an amenable number.

157117204 is a deficient number, since it is larger than the sum of its proper divisors (117837910).

157117204 is a wasteful number, since it uses less digits than its factorization.

157117204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39279305 (or 39279303 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 157117204 is about 12534.6401623661. The cubic root of 157117204 is about 539.6032797160.

Adding to 157117204 its reverse (402711751), we get a palindrome (559828955).

The spelling of 157117204 in words is "one hundred fifty-seven million, one hundred seventeen thousand, two hundred four".