456545647 has 2 divisors, whose sum is σ = 456545648. Its totient is φ = 456545646.

The previous prime is 456545641. The next prime is 456545671. The reversal of 456545647 is 746545654.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 456545647 - 2²⁷ = 322327919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 456545597 and 456545606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (456545641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228272823 + 228272824.

It is an arithmetic number, because the mean of its divisors is an integer number (228272824).

Almost surely, 2^456545647 is an apocalyptic number.

456545647 is a deficient number, since it is larger than the sum of its proper divisors (1).

456545647 is an equidigital number, since it uses as much as digits as its factorization.

456545647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016000, while the sum is 46.

The square root of 456545647 is about 21366.9288153445. The cubic root of 456545647 is about 770.0071101834.

The spelling of 456545647 in words is "four hundred fifty-six million, five hundred forty-five thousand, six hundred forty-seven".