45004566623 has 8 divisors (see below), whose sum is σ = 45082411920. Its totient is φ = 44926761600.

The previous prime is 45004566617. The next prime is 45004566653. The reversal of 45004566623 is 32666540054.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45004566623 - 2⁶ = 45004566559 is a prime.

It is a super-2 number, since 2×45004566623² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45004566653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2949911 + ... + 2965127.

It is an arithmetic number, because the mean of its divisors is an integer number (5635301490).

Almost surely, 2^45004566623 is an apocalyptic number.

45004566623 is a deficient number, since it is larger than the sum of its proper divisors (77845297).

45004566623 is a wasteful number, since it uses less digits than its factorization.

45004566623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20137.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 45004566623 in words is "forty-five billion, four million, five hundred sixty-six thousand, six hundred twenty-three".