5645169 has 24 divisors (see below), whose sum is σ = 8648640. Its totient is φ = 3542112.

The previous prime is 5645161. The next prime is 5645177. The reversal of 5645169 is 9615465.

5645169 is a `hidden beast` number, since 5 + 645 + 1 + 6 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (5645161) and next prime (5645177).

It is not a de Polignac number, because 5645169 - 2³ = 5645161 is a prime.

It is a super-2 number, since 2×5645169² = 63735866077122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5645161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10972 + ... + 11474.

It is an arithmetic number, because the mean of its divisors is an integer number (360360).

Almost surely, 2^5645169 is an apocalyptic number.

It is an amenable number.

5645169 is a deficient number, since it is larger than the sum of its proper divisors (3003471).

5645169 is a wasteful number, since it uses less digits than its factorization.

5645169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581 (or 578 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 5645169 is about 2375.9564389946. The cubic root of 5645169 is about 178.0569716216.

The spelling of 5645169 in words is "five million, six hundred forty-five thousand, one hundred sixty-nine".