45171171 has 12 divisors (see below), whose sum is σ = 66317680. Its totient is φ = 29620080.

The previous prime is 45171127. The next prime is 45171223. The reversal of 45171171 is 17117154.

It is not a de Polignac number, because 45171171 - 2⁶ = 45171107 is a prime.

It is a super-2 number, since 2×45171171² = 4080869379022482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45171271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40591 + ... + 41688.

Almost surely, 2^45171171 is an apocalyptic number.

45171171 is a deficient number, since it is larger than the sum of its proper divisors (21146509).

45171171 is a wasteful number, since it uses less digits than its factorization.

45171171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82346 (or 82343 counting only the distinct ones).

The product of its digits is 980, while the sum is 27.

The square root of 45171171 is about 6720.9501560419. The cubic root of 45171171 is about 356.1397501870.

The spelling of 45171171 in words is "forty-five million, one hundred seventy-one thousand, one hundred seventy-one".