45038169 has 12 divisors (see below), whose sum is σ = 70969392. Its totient is φ = 27295800.

The previous prime is 45038143. The next prime is 45038179. The reversal of 45038169 is 96183054.

It is not a de Polignac number, because 45038169 - 2¹⁷ = 44907097 is a prime.

It is a super-2 number, since 2×45038169² = 4056873333745122, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (45038129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 227367 + ... + 227564.

It is an arithmetic number, because the mean of its divisors is an integer number (5914116).

Almost surely, 2^45038169 is an apocalyptic number.

It is an amenable number.

45038169 is a deficient number, since it is larger than the sum of its proper divisors (25931223).

45038169 is a wasteful number, since it uses less digits than its factorization.

45038169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454948 (or 454945 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 45038169 is about 6711.0482787714. The cubic root of 45038169 is about 355.7898672593.

The spelling of 45038169 in words is "forty-five million, thirty-eight thousand, one hundred sixty-nine".