157907044 has 6 divisors (see below), whose sum is σ = 276337334. Its totient is φ = 78953520.

The previous prime is 157907039. The next prime is 157907047. The reversal of 157907044 is 440709751.

It can be written as a sum of positive squares in only one way, i.e., 157201444 + 705600 = 12538^2 + 840^2 .

It is a junction number, because it is equal to n+sod(n) for n = 157906994 and 157907012.

It is not an unprimeable number, because it can be changed into a prime (157907047) 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, 19738377 + ... + 19738384.

Almost surely, 2^157907044 is an apocalyptic number.

It is an amenable number.

157907044 is a deficient number, since it is larger than the sum of its proper divisors (118430290).

157907044 is a wasteful number, since it uses less digits than its factorization.

157907044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39476765 (or 39476763 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 157907044 is about 12566.1069548210. The cubic root of 157907044 is about 540.5059775137.

The spelling of 157907044 in words is "one hundred fifty-seven million, nine hundred seven thousand, forty-four".