157793157 has 16 divisors (see below), whose sum is σ = 246072000. Its totient is φ = 99658512.

The previous prime is 157793143. The next prime is 157793177. The reversal of 157793157 is 751397751.

It is not a de Polignac number, because 157793157 - 2¹⁰ = 157792133 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157793177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153282 + ... + 154307.

It is an arithmetic number, because the mean of its divisors is an integer number (15379500).

Almost surely, 2^157793157 is an apocalyptic number.

It is an amenable number.

157793157 is a deficient number, since it is larger than the sum of its proper divisors (88278843).

157793157 is a wasteful number, since it uses less digits than its factorization.

157793157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307617 (or 307611 counting only the distinct ones).

The product of its digits is 231525, while the sum is 45.

The square root of 157793157 is about 12561.5746226339. The cubic root of 157793157 is about 540.3760035590.

The spelling of 157793157 in words is "one hundred fifty-seven million, seven hundred ninety-three thousand, one hundred fifty-seven".