4485569 has 16 divisors (see below), whose sum is σ = 5261760. Its totient is φ = 3791680.

The previous prime is 4485557. The next prime is 4485581. The reversal of 4485569 is 9655844.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4485557) and next prime (4485581).

It is a de Polignac number, because none of the positive numbers 2^k-4485569 is a prime.

It is a super-2 number, since 2×4485569² = 40240658507522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4485589) 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, 54002 + ... + 54084.

It is an arithmetic number, because the mean of its divisors is an integer number (328860).

Almost surely, 2^4485569 is an apocalyptic number.

It is an amenable number.

4485569 is a deficient number, since it is larger than the sum of its proper divisors (776191).

4485569 is an equidigital number, since it uses as much as digits as its factorization.

4485569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 111 counting only the distinct ones).

The product of its digits is 172800, while the sum is 41.

The square root of 4485569 is about 2117.9161928651. The cubic root of 4485569 is about 164.9196915585.

The spelling of 4485569 in words is "four million, four hundred eighty-five thousand, five hundred sixty-nine".