45115444 has 12 divisors (see below), whose sum is σ = 86129568. Its totient is φ = 20507000.

The previous prime is 45115429. The next prime is 45115451. The reversal of 45115444 is 44451154.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512632 + ... + 512719.

It is an arithmetic number, because the mean of its divisors is an integer number (7177464).

Almost surely, 2^45115444 is an apocalyptic number.

45115444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

45115444 is a deficient number, since it is larger than the sum of its proper divisors (41014124).

45115444 is a wasteful number, since it uses less digits than its factorization.

45115444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025366 (or 1025364 counting only the distinct ones).

The product of its digits is 6400, while the sum is 28.

The square root of 45115444 is about 6716.8031086224. The cubic root of 45115444 is about 355.9932351532.

Adding to 45115444 its reverse (44451154), we get a palindrome (89566598).

The spelling of 45115444 in words is "forty-five million, one hundred fifteen thousand, four hundred forty-four".