45749171 has 4 divisors (see below), whose sum is σ = 49268352. Its totient is φ = 42229992.

The previous prime is 45749161. The next prime is 45749183. The reversal of 45749171 is 17194754.

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

It is a cyclic number.

It is not a de Polignac number, because 45749171 - 2⁶ = 45749107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45749101) 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, 1759571 + ... + 1759596.

It is an arithmetic number, because the mean of its divisors is an integer number (12317088).

Almost surely, 2^45749171 is an apocalyptic number.

45749171 is a deficient number, since it is larger than the sum of its proper divisors (3519181).

45749171 is a wasteful number, since it uses less digits than its factorization.

45749171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3519180.

The product of its digits is 35280, while the sum is 38.

The square root of 45749171 is about 6763.8133475134. The cubic root of 45749171 is about 357.6523444797.

The spelling of 45749171 in words is "forty-five million, seven hundred forty-nine thousand, one hundred seventy-one".