45197909604 has 189 divisors, whose sum is σ = 123511630851. Its totient is φ = 14465167920.

The previous prime is 45197909539. The next prime is 45197909629. The reversal of 45197909604 is 40690979154.

It is a happy number.

The square root of 45197909604 is 212598.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 355888989 + ... + 355889115.

Almost surely, 2^45197909604 is an apocalyptic number.

45197909604 is the 212598-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45197909604

45197909604 is an abundant number, since it is smaller than the sum of its proper divisors (78313721247).

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

45197909604 is an equidigital number, since it uses as much as digits as its factorization.

45197909604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The spelling of 45197909604 in words is "forty-five billion, one hundred ninety-seven million, nine hundred nine thousand, six hundred four".