45388089 has 6 divisors (see below), whose sum is σ = 65560586. Its totient is φ = 30258720.

The previous prime is 45388081. The next prime is 45388097. The reversal of 45388089 is 98088354.

It is an interprime number because it is at equal distance from previous prime (45388081) and next prime (45388097).

It can be written as a sum of positive squares in only one way, i.e., 25674489 + 19713600 = 5067^2 + 4440^2 .

It is not a de Polignac number, because 45388089 - 2³ = 45388081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45388081) 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, 2521552 + ... + 2521569.

Almost surely, 2^45388089 is an apocalyptic number.

It is an amenable number.

45388089 is a deficient number, since it is larger than the sum of its proper divisors (20172497).

45388089 is a wasteful number, since it uses less digits than its factorization.

45388089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5043127 (or 5043124 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 45388089 is about 6737.0682793037. The cubic root of 45388089 is about 356.7089169774.

The spelling of 45388089 in words is "forty-five million, three hundred eighty-eight thousand, eighty-nine".