45866889 has 12 divisors (see below), whose sum is σ = 67502916. Its totient is φ = 30000672.

The previous prime is 45866881. The next prime is 45866911. The reversal of 45866889 is 98866854.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40106889 + 5760000 = 6333^2 + 2400^2 .

It is not a de Polignac number, because 45866889 - 2³ = 45866881 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45866881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47602 + ... + 48555.

It is an arithmetic number, because the mean of its divisors is an integer number (5625243).

Almost surely, 2^45866889 is an apocalyptic number.

It is an amenable number.

45866889 is a deficient number, since it is larger than the sum of its proper divisors (21636027).

45866889 is a wasteful number, since it uses less digits than its factorization.

45866889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96216 (or 96213 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The square root of 45866889 is about 6772.5098006574. The cubic root of 45866889 is about 357.9588422666.

The spelling of 45866889 in words is "forty-five million, eight hundred sixty-six thousand, eight hundred eighty-nine".