4455665 has 4 divisors (see below), whose sum is σ = 5346804. Its totient is φ = 3564528.

The previous prime is 4455641. The next prime is 4455667. The reversal of 4455665 is 5665544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2715904 + 1739761 = 1648^2 + 1319^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4455665 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4455667) 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, 445562 + ... + 445571.

It is an arithmetic number, because the mean of its divisors is an integer number (1336701).

Almost surely, 2^4455665 is an apocalyptic number.

It is an amenable number.

4455665 is a deficient number, since it is larger than the sum of its proper divisors (891139).

4455665 is an equidigital number, since it uses as much as digits as its factorization.

4455665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891138.

The product of its digits is 72000, while the sum is 35.

The square root of 4455665 is about 2110.8446176827. The cubic root of 4455665 is about 164.5523833629.

The spelling of 4455665 in words is "four million, four hundred fifty-five thousand, six hundred sixty-five".