45111444 has 24 divisors (see below), whose sum is σ = 120297408. Its totient is φ = 12888960.

The previous prime is 45111431. The next prime is 45111461. The reversal of 45111444 is 44411154.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268437 + ... + 268604.

It is an arithmetic number, because the mean of its divisors is an integer number (5012392).

Almost surely, 2^45111444 is an apocalyptic number.

It is an amenable number.

45111444 is an abundant number, since it is smaller than the sum of its proper divisors (75185964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45111444 is a wasteful number, since it uses less digits than its factorization.

45111444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537055 (or 537053 counting only the distinct ones).

The product of its digits is 1280, while the sum is 24.

The square root of 45111444 is about 6716.5053413215. The cubic root of 45111444 is about 355.9827138852.

Adding to 45111444 its reverse (44411154), we get a palindrome (89522598).

The spelling of 45111444 in words is "forty-five million, one hundred eleven thousand, four hundred forty-four".