45751145261 has 4 divisors (see below), whose sum is σ = 45772944000. Its totient is φ = 45729346524.

The previous prime is 45751145249. The next prime is 45751145269. The reversal of 45751145261 is 16254115754.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45751145261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45751145269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10896221 + ... + 10900418.

It is an arithmetic number, because the mean of its divisors is an integer number (11443236000).

Almost surely, 2^45751145261 is an apocalyptic number.

It is an amenable number.

45751145261 is a deficient number, since it is larger than the sum of its proper divisors (21798739).

45751145261 is a wasteful number, since it uses less digits than its factorization.

45751145261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21798738.

The product of its digits is 168000, while the sum is 41.

The spelling of 45751145261 in words is "forty-five billion, seven hundred fifty-one million, one hundred forty-five thousand, two hundred sixty-one".