157255339 has 2 divisors, whose sum is σ = 157255340. Its totient is φ = 157255338.

The previous prime is 157255331. The next prime is 157255361. The reversal of 157255339 is 933552751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157255339 - 2³ = 157255331 is a prime.

It is a Chen prime.

It is equal to p_8829184 and since 157255339 and 8829184 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (157255331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78627669 + 78627670.

It is an arithmetic number, because the mean of its divisors is an integer number (78627670).

Almost surely, 2^157255339 is an apocalyptic number.

157255339 is a deficient number, since it is larger than the sum of its proper divisors (1).

157255339 is an equidigital number, since it uses as much as digits as its factorization.

157255339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141750, while the sum is 40.

The square root of 157255339 is about 12540.1490820484. The cubic root of 157255339 is about 539.7613703293.

The spelling of 157255339 in words is "one hundred fifty-seven million, two hundred fifty-five thousand, three hundred thirty-nine".