456430157 has 2 divisors, whose sum is σ = 456430158. Its totient is φ = 456430156.

The previous prime is 456430129. The next prime is 456430171. The reversal of 456430157 is 751034654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 446857321 + 9572836 = 21139^2 + 3094^2 .

It is a cyclic number.

It is not a de Polignac number, because 456430157 - 2¹⁶ = 456364621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (456430757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228215078 + 228215079.

It is an arithmetic number, because the mean of its divisors is an integer number (228215079).

Almost surely, 2^456430157 is an apocalyptic number.

It is an amenable number.

456430157 is a deficient number, since it is larger than the sum of its proper divisors (1).

456430157 is an equidigital number, since it uses as much as digits as its factorization.

456430157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 456430157 is about 21364.2261034656. The cubic root of 456430157 is about 769.9421764640.

The spelling of 456430157 in words is "four hundred fifty-six million, four hundred thirty thousand, one hundred fifty-seven".