45496989 has 6 divisors (see below), whose sum is σ = 65717886. Its totient is φ = 30331320.

The previous prime is 45496961. The next prime is 45497009. The reversal of 45496989 is 98969454.

45496989 is a `hidden beast` number, since 4 + 549 + 6 + 98 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 44156025 + 1340964 = 6645^2 + 1158^2 .

It is not a de Polignac number, because 45496989 - 2¹⁷ = 45365917 is a prime.

It is a super-2 number, since 2×45496989² = 4139952016132242, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45496909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2527602 + ... + 2527619.

It is an arithmetic number, because the mean of its divisors is an integer number (10952981).

Almost surely, 2^45496989 is an apocalyptic number.

It is an amenable number.

45496989 is a deficient number, since it is larger than the sum of its proper divisors (20220897).

45496989 is a wasteful number, since it uses less digits than its factorization.

45496989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055227 (or 5055224 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 45496989 is about 6745.1455877542. The cubic root of 45496989 is about 356.9939739585.

The spelling of 45496989 in words is "forty-five million, four hundred ninety-six thousand, nine hundred eighty-nine".