45121624 has 16 divisors (see below), whose sum is σ = 85213800. Its totient is φ = 22397952.

The previous prime is 45121567. The next prime is 45121667. The reversal of 45121624 is 42612154.

It is a happy number.

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, 19177 + ... + 21400.

Almost surely, 2^45121624 is an apocalyptic number.

It is an amenable number.

45121624 is a deficient number, since it is larger than the sum of its proper divisors (40092176).

45121624 is a wasteful number, since it uses less digits than its factorization.

45121624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40722 (or 40718 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 45121624 is about 6717.2631331518. The cubic root of 45121624 is about 356.0094892896.

Adding to 45121624 its reverse (42612154), we get a palindrome (87733778).

The spelling of 45121624 in words is "forty-five million, one hundred twenty-one thousand, six hundred twenty-four".