4481445 has 16 divisors (see below), whose sum is σ = 7217280. Its totient is φ = 2374464.

The previous prime is 4481443. The next prime is 4481459. The reversal of 4481445 is 5441844.

It is not a de Polignac number, because 4481445 - 2¹ = 4481443 is a prime.

4481445 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4481441) 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, 1611 + ... + 3399.

It is an arithmetic number, because the mean of its divisors is an integer number (451080).

Almost surely, 2^4481445 is an apocalyptic number.

It is an amenable number.

4481445 is a deficient number, since it is larger than the sum of its proper divisors (2735835).

4481445 is a wasteful number, since it uses less digits than its factorization.

4481445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964.

The product of its digits is 10240, while the sum is 30.

The square root of 4481445 is about 2116.9423704957. The cubic root of 4481445 is about 164.8691340670.

The spelling of 4481445 in words is "four million, four hundred eighty-one thousand, four hundred forty-five".