157072504 has 8 divisors (see below), whose sum is σ = 294510960. Its totient is φ = 78536248.

The previous prime is 157072501. The next prime is 157072541. The reversal of 157072504 is 405270751.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157072501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9817024 + ... + 9817039.

It is an arithmetic number, because the mean of its divisors is an integer number (36813870).

Almost surely, 2^157072504 is an apocalyptic number.

It is an amenable number.

157072504 is a deficient number, since it is larger than the sum of its proper divisors (137438456).

157072504 is a wasteful number, since it uses less digits than its factorization.

157072504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19634069 (or 19634065 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 157072504 is about 12532.8569767631. The cubic root of 157072504 is about 539.5521023066.

The spelling of 157072504 in words is "one hundred fifty-seven million, seventy-two thousand, five hundred four".