45223165 has 32 divisors (see below), whose sum is σ = 60673536. Its totient is φ = 32148480.

The previous prime is 45223159. The next prime is 45223169. The reversal of 45223165 is 56132254.

It is not a de Polignac number, because 45223165 - 2¹¹ = 45221117 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 (45223169) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 345150 + ... + 345280.

It is an arithmetic number, because the mean of its divisors is an integer number (1896048).

Almost surely, 2^45223165 is an apocalyptic number.

It is an amenable number.

45223165 is a deficient number, since it is larger than the sum of its proper divisors (15450371).

45223165 is a wasteful number, since it uses less digits than its factorization.

45223165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309.

The product of its digits is 7200, while the sum is 28.

The square root of 45223165 is about 6724.8170978845. The cubic root of 45223165 is about 356.2763419529.

The spelling of 45223165 in words is "forty-five million, two hundred twenty-three thousand, one hundred sixty-five".