6564145 has 8 divisors (see below), whose sum is σ = 9002304. Its totient is φ = 4501104.

The previous prime is 6564143. The next prime is 6564167. The reversal of 6564145 is 5414656.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6564145 - 2¹ = 6564143 is a prime.

It is a Duffinian number.

6564145 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6564143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93739 + ... + 93808.

It is an arithmetic number, because the mean of its divisors is an integer number (1125288).

Almost surely, 2^6564145 is an apocalyptic number.

It is an amenable number.

6564145 is a deficient number, since it is larger than the sum of its proper divisors (2438159).

6564145 is a wasteful number, since it uses less digits than its factorization.

6564145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187559.

The product of its digits is 14400, while the sum is 31.

The square root of 6564145 is about 2562.0587424960. The cubic root of 6564145 is about 187.2374517959.

The spelling of 6564145 in words is "six million, five hundred sixty-four thousand, one hundred forty-five".