45517789 has 12 divisors (see below), whose sum is σ = 48628800. Its totient is φ = 42596288.

The previous prime is 45517753. The next prime is 45517793. The reversal of 45517789 is 98771554.

It is a happy number.

It is not a de Polignac number, because 45517789 - 2¹¹ = 45515741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45517709) 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, 68742 + ... + 69400.

It is an arithmetic number, because the mean of its divisors is an integer number (4052400).

Almost surely, 2^45517789 is an apocalyptic number.

It is an amenable number.

45517789 is a deficient number, since it is larger than the sum of its proper divisors (3111011).

45517789 is a wasteful number, since it uses less digits than its factorization.

45517789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932 (or 915 counting only the distinct ones).

The product of its digits is 352800, while the sum is 46.

The square root of 45517789 is about 6746.6872611675. The cubic root of 45517789 is about 357.0483683520.

The spelling of 45517789 in words is "forty-five million, five hundred seventeen thousand, seven hundred eighty-nine".