157246864 has 10 divisors (see below), whose sum is σ = 304665830. Its totient is φ = 78623424.

The previous prime is 157246861. The next prime is 157246877. The reversal of 157246864 is 468642751.

157246864 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., 151486864 + 5760000 = 12308^2 + 2400^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 157246864.

It is not an unprimeable number, because it can be changed into a prime (157246861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4913949 + ... + 4913980.

It is an arithmetic number, because the mean of its divisors is an integer number (30466583).

Almost surely, 2^157246864 is an apocalyptic number.

It is an amenable number.

157246864 is a deficient number, since it is larger than the sum of its proper divisors (147418966).

157246864 is an equidigital number, since it uses as much as digits as its factorization.

157246864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9827937 (or 9827931 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 157246864 is about 12539.8111628525. The cubic root of 157246864 is about 539.7516736585.

The spelling of 157246864 in words is "one hundred fifty-seven million, two hundred forty-six thousand, eight hundred sixty-four".