45973321 has 16 divisors (see below), whose sum is σ = 50675328. Its totient is φ = 41529600.

The previous prime is 45973307. The next prime is 45973327. The reversal of 45973321 is 12337954.

It is a cyclic number.

It is not a de Polignac number, because 45973321 - 2⁵ = 45973289 is a prime.

It is a super-2 number, since 2×45973321² = 4227092487538082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45973327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44076 + ... + 45106.

It is an arithmetic number, because the mean of its divisors is an integer number (3167208).

Almost surely, 2^45973321 is an apocalyptic number.

It is an amenable number.

45973321 is a deficient number, since it is larger than the sum of its proper divisors (4702007).

45973321 is a wasteful number, since it uses less digits than its factorization.

45973321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152.

The product of its digits is 22680, while the sum is 34.

The square root of 45973321 is about 6780.3628958928. The cubic root of 45973321 is about 358.2355040432.

The spelling of 45973321 in words is "forty-five million, nine hundred seventy-three thousand, three hundred twenty-one".