45309046500 has 72 divisors (see below), whose sum is σ = 142934952888. Its totient is φ = 12082411200.

The previous prime is 45309046499. The next prime is 45309046529. The reversal of 45309046500 is 564090354.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 172344384 + 45136702116 = 13128^2 + 212454^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5029839 + ... + 5038838.

It is an arithmetic number, because the mean of its divisors is an integer number (1985207679).

Almost surely, 2^45309046500 is an apocalyptic number.

It is an amenable number.

45309046500 is an abundant number, since it is smaller than the sum of its proper divisors (97625906388).

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

45309046500 is a wasteful number, since it uses less digits than its factorization.

45309046500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10068702 (or 10068687 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 45309046500 in words is "forty-five billion, three hundred nine million, forty-six thousand, five hundred".