45568013 has 4 divisors (see below), whose sum is σ = 46209888. Its totient is φ = 44926140.

The previous prime is 45568009. The next prime is 45568021. The reversal of 45568013 is 31086554.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45568013 - 2² = 45568009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45568073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320831 + ... + 320972.

It is an arithmetic number, because the mean of its divisors is an integer number (11552472).

Almost surely, 2^45568013 is an apocalyptic number.

It is an amenable number.

45568013 is a deficient number, since it is larger than the sum of its proper divisors (641875).

45568013 is an equidigital number, since it uses as much as digits as its factorization.

45568013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641874.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 45568013 is about 6750.4083580181. The cubic root of 45568013 is about 357.1796416131.

The spelling of 45568013 in words is "forty-five million, five hundred sixty-eight thousand, thirteen".