45668893 has 4 divisors (see below), whose sum is σ = 45971488. Its totient is φ = 45366300.

The previous prime is 45668863. The next prime is 45668899. The reversal of 45668893 is 39886654.

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 45668893 - 2²⁵ = 12114461 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 (45668899) 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, 151071 + ... + 151372.

It is an arithmetic number, because the mean of its divisors is an integer number (11492872).

Almost surely, 2^45668893 is an apocalyptic number.

It is an amenable number.

45668893 is a deficient number, since it is larger than the sum of its proper divisors (302595).

45668893 is a wasteful number, since it uses less digits than its factorization.

45668893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302594.

The product of its digits is 1244160, while the sum is 49.

The square root of 45668893 is about 6757.8763676173. The cubic root of 45668893 is about 357.4430261139.

The spelling of 45668893 in words is "forty-five million, six hundred sixty-eight thousand, eight hundred ninety-three".