45173751 has 16 divisors (see below), whose sum is σ = 68947200. Its totient is φ = 25771968.

The previous prime is 45173747. The next prime is 45173753. The reversal of 45173751 is 15737154.

It is not a de Polignac number, because 45173751 - 2² = 45173747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45173753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15660 + ... + 18318.

It is an arithmetic number, because the mean of its divisors is an integer number (4309200).

Almost surely, 2^45173751 is an apocalyptic number.

45173751 is a deficient number, since it is larger than the sum of its proper divisors (23773449).

45173751 is a wasteful number, since it uses less digits than its factorization.

45173751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3478.

The product of its digits is 14700, while the sum is 33.

The square root of 45173751 is about 6721.1420904486. The cubic root of 45173751 is about 356.1465304929.

The spelling of 45173751 in words is "forty-five million, one hundred seventy-three thousand, seven hundred fifty-one".