45223504 has 20 divisors (see below), whose sum is σ = 88399476. Its totient is φ = 22410752.

The previous prime is 45223429. The next prime is 45223523. The reversal of 45223504 is 40532254.

It can be written as a sum of positive squares in 2 ways, for example, as 23619600 + 21603904 = 4860^2 + 4648^2 .

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, 10699 + ... + 14314.

Almost surely, 2^45223504 is an apocalyptic number.

It is an amenable number.

45223504 is a deficient number, since it is larger than the sum of its proper divisors (43175972).

45223504 is a wasteful number, since it uses less digits than its factorization.

45223504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25134 (or 25128 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 45223504 is about 6724.8423029838. The cubic root of 45223504 is about 356.2772321852.

Adding to 45223504 its reverse (40532254), we get a palindrome (85755758).

The spelling of 45223504 in words is "forty-five million, two hundred twenty-three thousand, five hundred four".