157373057 has 2 divisors, whose sum is σ = 157373058. Its totient is φ = 157373056.

The previous prime is 157373039. The next prime is 157373071. The reversal of 157373057 is 750373751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155775361 + 1597696 = 12481^2 + 1264^2 .

It is a cyclic number.

It is not a de Polignac number, because 157373057 - 2⁶ = 157372993 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157373057.

It is not a weakly prime, because it can be changed into another prime (157373087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78686528 + 78686529.

It is an arithmetic number, because the mean of its divisors is an integer number (78686529).

Almost surely, 2^157373057 is an apocalyptic number.

It is an amenable number.

157373057 is a deficient number, since it is larger than the sum of its proper divisors (1).

157373057 is an equidigital number, since it uses as much as digits as its factorization.

157373057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77175, while the sum is 38.

The square root of 157373057 is about 12544.8418483455. The cubic root of 157373057 is about 539.8960213608.

The spelling of 157373057 in words is "one hundred fifty-seven million, three hundred seventy-three thousand, fifty-seven".