45497154864 has 160 divisors (see below), whose sum is σ = 143584809984. Its totient is φ = 12130652160.

The previous prime is 45497154721. The next prime is 45497154869. The reversal of 45497154864 is 46845179454.

It is a super-2 number, since 2×45497154864² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45497154869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245052 + ... + 388644.

Almost surely, 2^45497154864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45497154864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71792404992).

45497154864 is an abundant number, since it is smaller than the sum of its proper divisors (98087655120).

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

45497154864 is a wasteful number, since it uses less digits than its factorization.

45497154864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143675 (or 143669 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 57.

The spelling of 45497154864 in words is "forty-five billion, four hundred ninety-seven million, one hundred fifty-four thousand, eight hundred sixty-four".