441445 has 4 divisors (see below), whose sum is σ = 529740. Its totient is φ = 353152.

The previous prime is 441443. The next prime is 441449. The reversal of 441445 is 544144.

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 279841 + 161604 = 529^2 + 402^2 .

It is a cyclic number.

It is not a de Polignac number, because 441445 - 2¹ = 441443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441443) 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 3 ways as a sum of consecutive naturals, for example, 44140 + ... + 44149.

It is an arithmetic number, because the mean of its divisors is an integer number (132435).

2⁴⁴¹⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

441445 is a deficient number, since it is larger than the sum of its proper divisors (88295).

441445 is an equidigital number, since it uses as much as digits as its factorization.

441445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88294.

The product of its digits is 1280, while the sum is 22.

The square root of 441445 is about 664.4132750028. The cubic root of 441445 is about 76.1422198456.

Adding to 441445 its reverse (544144), we get a palindrome (985589).

The spelling of 441445 in words is "four hundred forty-one thousand, four hundred forty-five".