157306901 has 2 divisors, whose sum is σ = 157306902. Its totient is φ = 157306900.

The previous prime is 157306859. The next prime is 157306939. The reversal of 157306901 is 109603751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131652676 + 25654225 = 11474^2 + 5065^2 .

It is a cyclic number.

It is not a de Polignac number, because 157306901 - 2⁶ = 157306837 is a prime.

It is a super-2 number, since 2×157306901² = 49490922204447602, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157306951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78653450 + 78653451.

It is an arithmetic number, because the mean of its divisors is an integer number (78653451).

Almost surely, 2^157306901 is an apocalyptic number.

It is an amenable number.

157306901 is a deficient number, since it is larger than the sum of its proper divisors (1).

157306901 is an equidigital number, since it uses as much as digits as its factorization.

157306901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 157306901 is about 12542.2047902273. The cubic root of 157306901 is about 539.8203574829.

The spelling of 157306901 in words is "one hundred fifty-seven million, three hundred six thousand, nine hundred one".