4445505 has 24 divisors (see below), whose sum is σ = 7757568. Its totient is φ = 2354976.

The previous prime is 4445503. The next prime is 4445521. The reversal of 4445505 is 5055444.

It is not a de Polignac number, because 4445505 - 2¹ = 4445503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4445501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9814 + ... + 10256.

It is an arithmetic number, because the mean of its divisors is an integer number (323232).

Almost surely, 2^4445505 is an apocalyptic number.

4445505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4445505 is a deficient number, since it is larger than the sum of its proper divisors (3312063).

4445505 is a wasteful number, since it uses less digits than its factorization.

4445505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 4445505 is about 2108.4366246108. The cubic root of 4445505 is about 164.4272150232.

It can be divided in two parts, 4445 and 505, that added together give a triangular number (4950 = T₉₉).

The spelling of 4445505 in words is "four million, four hundred forty-five thousand, five hundred five".