45165393 has 24 divisors (see below), whose sum is σ = 80295488. Its totient is φ = 23823072.

The previous prime is 45165371. The next prime is 45165433. The reversal of 45165393 is 39356154.

45165393 is a `hidden beast` number, since 4 + 516 + 53 + 93 = 666.

It is not a de Polignac number, because 45165393 - 2¹⁰ = 45164369 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (45165343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26755 + ... + 28392.

Almost surely, 2^45165393 is an apocalyptic number.

It is an amenable number.

45165393 is a deficient number, since it is larger than the sum of its proper divisors (35130095).

45165393 is a wasteful number, since it uses less digits than its factorization.

45165393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55173 (or 55170 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 45165393 is about 6720.5202923583. The cubic root of 45165393 is about 356.1245645190.

The spelling of 45165393 in words is "forty-five million, one hundred sixty-five thousand, three hundred ninety-three".