45251793 has 6 divisors (see below), whose sum is σ = 65363714. Its totient is φ = 30167856.

The previous prime is 45251743. The next prime is 45251797. The reversal of 45251793 is 39715254.

45251793 is a `hidden beast` number, since 4 + 52 + 517 + 93 = 666.

It can be written as a sum of positive squares in only one way, i.e., 44715969 + 535824 = 6687^2 + 732^2 .

It is not a de Polignac number, because 45251793 - 2⁶ = 45251729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45251797) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2513980 + ... + 2513997.

Almost surely, 2^45251793 is an apocalyptic number.

It is an amenable number.

45251793 is a deficient number, since it is larger than the sum of its proper divisors (20111921).

45251793 is a wasteful number, since it uses less digits than its factorization.

45251793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5027983 (or 5027980 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 45251793 is about 6726.9452948571. The cubic root of 45251793 is about 356.3515049632.

The spelling of 45251793 in words is "forty-five million, two hundred fifty-one thousand, seven hundred ninety-three".