157232329 has 2 divisors, whose sum is σ = 157232330. Its totient is φ = 157232328.

The previous prime is 157232311. The next prime is 157232377. The reversal of 157232329 is 923232751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149817600 + 7414729 = 12240^2 + 2723^2 .

It is a cyclic number.

It is not a de Polignac number, because 157232329 - 2²⁷ = 23014601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157232294 and 157232303.

It is not a weakly prime, because it can be changed into another prime (157232389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78616164 + 78616165.

It is an arithmetic number, because the mean of its divisors is an integer number (78616165).

Almost surely, 2^157232329 is an apocalyptic number.

It is an amenable number.

157232329 is a deficient number, since it is larger than the sum of its proper divisors (1).

157232329 is an equidigital number, since it uses as much as digits as its factorization.

157232329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 34.

The square root of 157232329 is about 12539.2315952773. The cubic root of 157232329 is about 539.7350426277.

The spelling of 157232329 in words is "one hundred fifty-seven million, two hundred thirty-two thousand, three hundred twenty-nine".