45164593 has 4 divisors (see below), whose sum is σ = 45586800. Its totient is φ = 44742388.

The previous prime is 45164579. The next prime is 45164611. The reversal of 45164593 is 39546154.

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 45164593 - 2⁹ = 45164081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45164503) 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, 210943 + ... + 211156.

It is an arithmetic number, because the mean of its divisors is an integer number (11396700).

Almost surely, 2^45164593 is an apocalyptic number.

It is an amenable number.

45164593 is a deficient number, since it is larger than the sum of its proper divisors (422207).

45164593 is a wasteful number, since it uses less digits than its factorization.

45164593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422206.

The product of its digits is 64800, while the sum is 37.

The square root of 45164593 is about 6720.4607728935. The cubic root of 45164593 is about 356.1224618668.

The spelling of 45164593 in words is "forty-five million, one hundred sixty-four thousand, five hundred ninety-three".