45007171 has 4 divisors (see below), whose sum is σ = 49098744. Its totient is φ = 40915600.

The previous prime is 45007163. The next prime is 45007187. The reversal of 45007171 is 17170054.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 45007171 - 2³ = 45007163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45017171) 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, 2045770 + ... + 2045791.

It is an arithmetic number, because the mean of its divisors is an integer number (12274686).

Almost surely, 2^45007171 is an apocalyptic number.

45007171 is a deficient number, since it is larger than the sum of its proper divisors (4091573).

45007171 is a wasteful number, since it uses less digits than its factorization.

45007171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4091572.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 45007171 is about 6708.7384059896. The cubic root of 45007171 is about 355.7082231358.

The spelling of 45007171 in words is "forty-five million, seven thousand, one hundred seventy-one".