456145237 has 2 divisors, whose sum is σ = 456145238. Its totient is φ = 456145236.

The previous prime is 456145219. The next prime is 456145243. The reversal of 456145237 is 732541654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 435723876 + 20421361 = 20874^2 + 4519^2 .

It is a cyclic number.

It is not a de Polignac number, because 456145237 - 2¹¹ = 456143189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 456145196 and 456145205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (456148237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228072618 + 228072619.

It is an arithmetic number, because the mean of its divisors is an integer number (228072619).

Almost surely, 2^456145237 is an apocalyptic number.

It is an amenable number.

456145237 is a deficient number, since it is larger than the sum of its proper divisors (1).

456145237 is an equidigital number, since it uses as much as digits as its factorization.

456145237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 37.

The square root of 456145237 is about 21357.5569061632. The cubic root of 456145237 is about 769.7819346512.

The spelling of 456145237 in words is "four hundred fifty-six million, one hundred forty-five thousand, two hundred thirty-seven".