45169455 has 32 divisors (see below), whose sum is σ = 73801728. Its totient is φ = 23587200.

The previous prime is 45169451. The next prime is 45169477. The reversal of 45169455 is 55496154.

It is not a de Polignac number, because 45169455 - 2² = 45169451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45169451) 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, 249465 + ... + 249645.

It is an arithmetic number, because the mean of its divisors is an integer number (2306304).

Almost surely, 2^45169455 is an apocalyptic number.

45169455 is a deficient number, since it is larger than the sum of its proper divisors (28632273).

45169455 is a wasteful number, since it uses less digits than its factorization.

45169455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447.

The product of its digits is 108000, while the sum is 39.

The square root of 45169455 is about 6720.8224943083. The cubic root of 45169455 is about 356.1352403523.

The spelling of 45169455 in words is "forty-five million, one hundred sixty-nine thousand, four hundred fifty-five".