4441545 has 24 divisors (see below), whose sum is σ = 7792200. Its totient is φ = 2340096.

The previous prime is 4441543. The next prime is 4441561. The reversal of 4441545 is 5451444.

It can be written as a sum of positive squares in 4 ways, for example, as 131769 + 4309776 = 363^2 + 2076^2 .

It is not a de Polignac number, because 4441545 - 2¹ = 4441543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4441543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3451 + ... + 4559.

It is an arithmetic number, because the mean of its divisors is an integer number (324675).

Almost surely, 2^4441545 is an apocalyptic number.

4441545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4441545 is a deficient number, since it is larger than the sum of its proper divisors (3350655).

4441545 is a wasteful number, since it uses less digits than its factorization.

4441545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209 (or 1206 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 4441545 is about 2107.4973309592. The cubic root of 4441545 is about 164.3783772866.

Adding to 4441545 its reverse (5451444), we get a palindrome (9892989).

The spelling of 4441545 in words is "four million, four hundred forty-one thousand, five hundred forty-five".