157031044 has 12 divisors (see below), whose sum is σ = 276811164. Its totient is φ = 77942144.

The previous prime is 157031041. The next prime is 157031047. The reversal of 157031044 is 440130751.

It is an interprime number because it is at equal distance from previous prime (157031041) and next prime (157031047).

It can be written as a sum of positive squares in 2 ways, for example, as 56430144 + 100600900 = 7512^2 + 10030^2 .

It is not an unprimeable number, because it can be changed into a prime (157031041) 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 in 3 ways as a sum of consecutive naturals, for example, 142729 + ... + 143824.

It is an arithmetic number, because the mean of its divisors is an integer number (23067597).

Almost surely, 2^157031044 is an apocalyptic number.

It is an amenable number.

157031044 is a deficient number, since it is larger than the sum of its proper divisors (119780120).

157031044 is a wasteful number, since it uses less digits than its factorization.

157031044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286694 (or 286692 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 157031044 is about 12531.2028153725. The cubic root of 157031044 is about 539.5046257208.

Adding to 157031044 its reverse (440130751), we get a palindrome (597161795).

The spelling of 157031044 in words is "one hundred fifty-seven million, thirty-one thousand, forty-four".