45171 has 16 divisors (see below), whose sum is σ = 76800. Its totient is φ = 25704.

The previous prime is 45161. The next prime is 45179. The reversal of 45171 is 17154.

45171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45171 - 2⁵ = 45139 is a prime.

It is a super-3 number, since 3×45171³ = 276503332605633, which contains 333 as substring.

It is an Ulam number.

45171 is a lucky number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (45179) 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, 70 + ... + 308.

It is an arithmetic number, because the mean of its divisors is an integer number (4800).

2⁴⁵¹⁷¹ is an apocalyptic number.

45171 is a deficient number, since it is larger than the sum of its proper divisors (31629).

45171 is a wasteful number, since it uses less digits than its factorization.

45171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 249 counting only the distinct ones).

The product of its digits is 140, while the sum is 18.

The square root of 45171 is about 212.5347030487. The cubic root of 45171 is about 35.6139300786.

It can be divided in two parts, 45 and 171, that added together give a cube (216 = 6³).

The spelling of 45171 in words is "forty-five thousand, one hundred seventy-one".