45123998064 has 40 divisors (see below), whose sum is σ = 116942796432. Its totient is φ = 14993272320.

The previous prime is 45123998047. The next prime is 45123998137. The reversal of 45123998064 is 46089932154.

It is a super-3 number, since 3×45123998064³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45123997998 and 45123998016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1486707 + ... + 1516754.

Almost surely, 2^45123998064 is an apocalyptic number.

It is an amenable number.

45123998064 is an abundant number, since it is smaller than the sum of its proper divisors (71818798368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45123998064 is a wasteful number, since it uses less digits than its factorization.

45123998064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003785 (or 3003779 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 45123998064 in words is "forty-five billion, one hundred twenty-three million, nine hundred ninety-eight thousand, sixty-four".