4445456 has 20 divisors (see below), whose sum is σ = 8695500. Its totient is φ = 2201472.

The previous prime is 4445453. The next prime is 4445459. The reversal of 4445456 is 6545444.

It is an interprime number because it is at equal distance from previous prime (4445453) and next prime (4445459).

It can be written as a sum of positive squares in 2 ways, for example, as 3671056 + 774400 = 1916^2 + 880^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4445453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470 + ... + 3018.

It is an arithmetic number, because the mean of its divisors is an integer number (434775).

Almost surely, 2^4445456 is an apocalyptic number.

It is an amenable number.

4445456 is a deficient number, since it is larger than the sum of its proper divisors (4250044).

4445456 is a wasteful number, since it uses less digits than its factorization.

4445456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666 (or 2660 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The square root of 4445456 is about 2108.4250045947. The cubic root of 4445456 is about 164.4266108951.

The spelling of 4445456 in words is "four million, four hundred forty-five thousand, four hundred fifty-six".