157380313 has 2 divisors, whose sum is σ = 157380314. Its totient is φ = 157380312.

The previous prime is 157380259. The next prime is 157380319. The reversal of 157380313 is 313083751.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153066384 + 4313929 = 12372^2 + 2077^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157380313 is a prime.

It is not a weakly prime, because it can be changed into another prime (157380319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78690156 + 78690157.

It is an arithmetic number, because the mean of its divisors is an integer number (78690157).

Almost surely, 2^157380313 is an apocalyptic number.

It is an amenable number.

157380313 is a deficient number, since it is larger than the sum of its proper divisors (1).

157380313 is an equidigital number, since it uses as much as digits as its factorization.

157380313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 157380313 is about 12545.1310475419. The cubic root of 157380313 is about 539.9043188957.

The spelling of 157380313 in words is "one hundred fifty-seven million, three hundred eighty thousand, three hundred thirteen".