45504995761 has 3 divisors (see below), whose sum is σ = 45505209081. Its totient is φ = 45504782442.

The previous prime is 45504995729. The next prime is 45504995791. The reversal of 45504995761 is 16759940554.

The square root of 45504995761 is 213319.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 45504995761 - 2⁵ = 45504995729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45504995791) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 106660 + ... + 319978.

It is an arithmetic number, because the mean of its divisors is an integer number (15168403027).

Almost surely, 2^45504995761 is an apocalyptic number.

45504995761 is the 213319-th square number.

45504995761 is the 106660-th centered octagonal number.

It is an amenable number.

45504995761 is a deficient number, since it is larger than the sum of its proper divisors (213320).

45504995761 is an frugal number, since it uses more digits than its factorization.

45504995761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426638 (or 213319 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 55.

The spelling of 45504995761 in words is "forty-five billion, five hundred four million, nine hundred ninety-five thousand, seven hundred sixty-one".