45685089 has 24 divisors (see below), whose sum is σ = 67466880. Its totient is φ = 29782368.

The previous prime is 45685037. The next prime is 45685093. The reversal of 45685089 is 98058654.

45685089 is a `hidden beast` number, since 4 + 568 + 5 + 0 + 89 = 666.

It is not a de Polignac number, because 45685089 - 2⁸ = 45684833 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45685019) 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, 143959 + ... + 144275.

It is an arithmetic number, because the mean of its divisors is an integer number (2811120).

Almost surely, 2^45685089 is an apocalyptic number.

It is an amenable number.

45685089 is a deficient number, since it is larger than the sum of its proper divisors (21781791).

45685089 is a wasteful number, since it uses less digits than its factorization.

45685089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 45685089 is about 6759.0745668324. The cubic root of 45685089 is about 357.4852756092.

The spelling of 45685089 in words is "forty-five million, six hundred eighty-five thousand, eighty-nine".