157024232 has 8 divisors (see below), whose sum is σ = 294420450. Its totient is φ = 78512112.

The previous prime is 157024199. The next prime is 157024237. The reversal of 157024232 is 232420751.

It can be written as a sum of positive squares in only one way, i.e., 155401156 + 1623076 = 12466^2 + 1274^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (157024237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9814007 + ... + 9814022.

Almost surely, 2^157024232 is an apocalyptic number.

It is an amenable number.

157024232 is a deficient number, since it is larger than the sum of its proper divisors (137396218).

157024232 is a wasteful number, since it uses less digits than its factorization.

157024232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19628035 (or 19628031 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 157024232 is about 12530.9310109026. The cubic root of 157024232 is about 539.4968243788.

Adding to 157024232 its reverse (232420751), we get a palindrome (389444983).

The spelling of 157024232 in words is "one hundred fifty-seven million, twenty-four thousand, two hundred thirty-two".