45457044751 has 4 divisors (see below), whose sum is σ = 45482541232. Its totient is φ = 45431548272.

The previous prime is 45457044709. The next prime is 45457044767. The reversal of 45457044751 is 15744075454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15744075454 = 2 ⋅7872037727.

It is a cyclic number.

It is not a de Polignac number, because 45457044751 - 2¹⁵ = 45457011983 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 (45457014751) 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, 12745566 + ... + 12749131.

It is an arithmetic number, because the mean of its divisors is an integer number (11370635308).

Almost surely, 2^45457044751 is an apocalyptic number.

45457044751 is a deficient number, since it is larger than the sum of its proper divisors (25496481).

45457044751 is a wasteful number, since it uses less digits than its factorization.

45457044751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25496480.

The product of its (nonzero) digits is 1568000, while the sum is 46.

The spelling of 45457044751 in words is "forty-five billion, four hundred fifty-seven million, forty-four thousand, seven hundred fifty-one".