157057319 has 2 divisors, whose sum is σ = 157057320. Its totient is φ = 157057318.

The previous prime is 157057297. The next prime is 157057349. The reversal of 157057319 is 913750751.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157057319 is a prime.

It is a super-2 number, since 2×157057319² = 49334002902935522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157057349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78528659 + 78528660.

It is an arithmetic number, because the mean of its divisors is an integer number (78528660).

Almost surely, 2^157057319 is an apocalyptic number.

157057319 is a deficient number, since it is larger than the sum of its proper divisors (1).

157057319 is an equidigital number, since it uses as much as digits as its factorization.

157057319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33075, while the sum is 38.

The square root of 157057319 is about 12532.2511545213. The cubic root of 157057319 is about 539.5347146619.

The spelling of 157057319 in words is "one hundred fifty-seven million, fifty-seven thousand, three hundred nineteen".