157237604 has 6 divisors (see below), whose sum is σ = 275165814. Its totient is φ = 78618800.

The previous prime is 157237589. The next prime is 157237609. The reversal of 157237604 is 406732751.

It can be written as a sum of positive squares in only one way, i.e., 156750400 + 487204 = 12520^2 + 698^2 .

It is a super-2 number, since 2×157237604² = 49447328223321632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157237609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19654697 + ... + 19654704.

It is an arithmetic number, because the mean of its divisors is an integer number (45860969).

Almost surely, 2^157237604 is an apocalyptic number.

It is an amenable number.

157237604 is a deficient number, since it is larger than the sum of its proper divisors (117928210).

157237604 is a wasteful number, since it uses less digits than its factorization.

157237604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39309405 (or 39309403 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 157237604 is about 12539.4419333557. The cubic root of 157237604 is about 539.7410784316.

The spelling of 157237604 in words is "one hundred fifty-seven million, two hundred thirty-seven thousand, six hundred four".