45564219 has 24 divisors (see below), whose sum is σ = 70287360. Its totient is φ = 28374192.

The previous prime is 45564217. The next prime is 45564227. The reversal of 45564219 is 91246554.

45564219 is a `hidden beast` number, since 4 + 5 + 5 + 642 + 1 + 9 = 666.

It is not a de Polignac number, because 45564219 - 2¹ = 45564217 is a prime.

It is a super-2 number, since 2×45564219² = 4152196106159922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45564217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6342 + ... + 11460.

It is an arithmetic number, because the mean of its divisors is an integer number (2928640).

Almost surely, 2^45564219 is an apocalyptic number.

45564219 is a deficient number, since it is larger than the sum of its proper divisors (24723141).

45564219 is a wasteful number, since it uses less digits than its factorization.

45564219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5191 (or 5188 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 45564219 is about 6750.1273321323. The cubic root of 45564219 is about 357.1697283934.

The spelling of 45564219 in words is "forty-five million, five hundred sixty-four thousand, two hundred nineteen".