45866619 has 6 divisors (see below), whose sum is σ = 66251796. Its totient is φ = 30577740.

The previous prime is 45866617. The next prime is 45866633. The reversal of 45866619 is 91666854.

It is not a de Polignac number, because 45866619 - 2¹ = 45866617 is a prime.

It is a super-2 number, since 2×45866619² = 4207493476982322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45866617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2548137 + ... + 2548154.

It is an arithmetic number, because the mean of its divisors is an integer number (11041966).

Almost surely, 2^45866619 is an apocalyptic number.

45866619 is a deficient number, since it is larger than the sum of its proper divisors (20385177).

45866619 is a wasteful number, since it uses less digits than its factorization.

45866619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5096297 (or 5096294 counting only the distinct ones).

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

The square root of 45866619 is about 6772.4898671021. The cubic root of 45866619 is about 357.9581398784.

The spelling of 45866619 in words is "forty-five million, eight hundred sixty-six thousand, six hundred nineteen".