45664279 has 2 divisors, whose sum is σ = 45664280. Its totient is φ = 45664278.

The previous prime is 45664259. The next prime is 45664303. The reversal of 45664279 is 97246654.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45664279 - 2¹¹ = 45662231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45664259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22832139 + 22832140.

It is an arithmetic number, because the mean of its divisors is an integer number (22832140).

Almost surely, 2^45664279 is an apocalyptic number.

45664279 is a deficient number, since it is larger than the sum of its proper divisors (1).

45664279 is an equidigital number, since it uses as much as digits as its factorization.

45664279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 43.

The square root of 45664279 is about 6757.5349795617. The cubic root of 45664279 is about 357.4309880317.

The spelling of 45664279 in words is "forty-five million, six hundred sixty-four thousand, two hundred seventy-nine".