45622989 has 24 divisors (see below), whose sum is σ = 67579200. Its totient is φ = 29649600.

The previous prime is 45622943. The next prime is 45622991. The reversal of 45622989 is 98922654.

45622989 is a `hidden beast` number, since 4 + 562 + 2 + 9 + 89 = 666.

45622989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45622989 - 2⁷ = 45622861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45622909) 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 23 ways as a sum of consecutive naturals, for example, 79897 + ... + 80465.

It is an arithmetic number, because the mean of its divisors is an integer number (2815800).

Almost surely, 2^45622989 is an apocalyptic number.

It is an amenable number.

45622989 is a deficient number, since it is larger than the sum of its proper divisors (21956211).

45622989 is a wasteful number, since it uses less digits than its factorization.

45622989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785 (or 782 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 45622989 is about 6754.4791805142. The cubic root of 45622989 is about 357.3232249088.

The spelling of 45622989 in words is "forty-five million, six hundred twenty-two thousand, nine hundred eighty-nine".