45432171 has 10 divisors (see below), whose sum is σ = 67867932. Its totient is φ = 30288060.

The previous prime is 45432161. The next prime is 45432193. The reversal of 45432171 is 17123454.

45432171 = T₁₆₆ + T₁₆₇ + ... + T₆₅₁.

It is not a de Polignac number, because 45432171 - 2¹¹ = 45430123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (45432131) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 280365 + ... + 280526.

Almost surely, 2^45432171 is an apocalyptic number.

45432171 is a deficient number, since it is larger than the sum of its proper divisors (22435761).

45432171 is an equidigital number, since it uses as much as digits as its factorization.

45432171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560903 (or 560894 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 45432171 is about 6740.3390864258. The cubic root of 45432171 is about 356.8243610283.

The spelling of 45432171 in words is "forty-five million, four hundred thirty-two thousand, one hundred seventy-one".