45592989 has 24 divisors (see below), whose sum is σ = 69305760. Its totient is φ = 26574912.

The previous prime is 45592931. The next prime is 45592993. The reversal of 45592989 is 98929554.

It is not a de Polignac number, because 45592989 - 2⁸ = 45592733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45592889) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7267 + ... + 11999.

It is an arithmetic number, because the mean of its divisors is an integer number (2887740).

Almost surely, 2^45592989 is an apocalyptic number.

It is an amenable number.

45592989 is a deficient number, since it is larger than the sum of its proper divisors (23712771).

45592989 is a wasteful number, since it uses less digits than its factorization.

45592989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4781 (or 4768 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 51.

The square root of 45592989 is about 6752.2580667507. The cubic root of 45592989 is about 357.2448868643.

The spelling of 45592989 in words is "forty-five million, five hundred ninety-two thousand, nine hundred eighty-nine".