45451089 has 6 divisors (see below), whose sum is σ = 65651586. Its totient is φ = 30300720.

The previous prime is 45451073. The next prime is 45451117. The reversal of 45451089 is 98015454.

45451089 is a `hidden beast` number, since 4 + 545 + 108 + 9 = 666.

45451089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 28804689 + 16646400 = 5367^2 + 4080^2 .

It is not a de Polignac number, because 45451089 - 2⁴ = 45451073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45451019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2525052 + ... + 2525069.

It is an arithmetic number, because the mean of its divisors is an integer number (10941931).

Almost surely, 2^45451089 is an apocalyptic number.

It is an amenable number.

45451089 is a deficient number, since it is larger than the sum of its proper divisors (20200497).

45451089 is a wasteful number, since it uses less digits than its factorization.

45451089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050127 (or 5050124 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 45451089 is about 6741.7422822294. The cubic root of 45451089 is about 356.8738814920.

The spelling of 45451089 in words is "forty-five million, four hundred fifty-one thousand, eighty-nine".