45138401764 has 27 divisors (see below), whose sum is σ = 83383416291. Its totient is φ = 21377523960.

The previous prime is 45138401753. The next prime is 45138401773. The reversal of 45138401764 is 46710483154.

The square root of 45138401764 is 212458.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45138401764.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8070609 + ... + 8076199.

Almost surely, 2^45138401764 is an apocalyptic number.

45138401764 is the 212458-th square number.

It is an amenable number.

45138401764 is a deficient number, since it is larger than the sum of its proper divisors (38245014527).

45138401764 is an frugal number, since it uses more digits than its factorization.

45138401764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11224 (or 5612 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 45138401764 in words is "forty-five billion, one hundred thirty-eight million, four hundred one thousand, seven hundred sixty-four".