157061057 has 4 divisors (see below), whose sum is σ = 157086720. Its totient is φ = 157035396.

The previous prime is 157061039. The next prime is 157061063. The reversal of 157061057 is 750160751.

157061057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 157061057 - 2⁸ = 157060801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157061257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2288 + ... + 17870.

It is an arithmetic number, because the mean of its divisors is an integer number (39271680).

Almost surely, 2^157061057 is an apocalyptic number.

It is an amenable number.

157061057 is a deficient number, since it is larger than the sum of its proper divisors (25663).

157061057 is a wasteful number, since it uses less digits than its factorization.

157061057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25662.

The product of its (nonzero) digits is 7350, while the sum is 32.

The square root of 157061057 is about 12532.4002888513. The cubic root of 157061057 is about 539.5389949777.

The spelling of 157061057 in words is "one hundred fifty-seven million, sixty-one thousand, fifty-seven".