45668745 has 16 divisors (see below), whose sum is σ = 81189120. Its totient is φ = 24356592.

The previous prime is 45668729. The next prime is 45668759. The reversal of 45668745 is 54786654.

45668745 is a `hidden beast` number, since 4 + 566 + 87 + 4 + 5 = 666.

45668745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45668745 - 2⁴ = 45668729 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 45668745.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169009 + ... + 169278.

It is an arithmetic number, because the mean of its divisors is an integer number (5074320).

Almost surely, 2^45668745 is an apocalyptic number.

45668745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45668745 is a deficient number, since it is larger than the sum of its proper divisors (35520375).

45668745 is a wasteful number, since it uses less digits than its factorization.

45668745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338301 (or 338295 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 45668745 is about 6757.8654174229. The cubic root of 45668745 is about 357.4426399895.

The spelling of 45668745 in words is "forty-five million, six hundred sixty-eight thousand, seven hundred forty-five".