445244 has 12 divisors (see below), whose sum is σ = 789600. Its totient is φ = 219648.

The previous prime is 445229. The next prime is 445261. The reversal of 445244 is 442544.

It is a congruent number.

It is an unprimeable number.

445244 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 389 + ... + 1020.

It is an arithmetic number, because the mean of its divisors is an integer number (65800).

2⁴⁴⁵²⁴⁴ is an apocalyptic number.

It is an amenable number.

445244 is a deficient number, since it is larger than the sum of its proper divisors (344356).

445244 is a wasteful number, since it uses less digits than its factorization.

445244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492 (or 1490 counting only the distinct ones).

The product of its digits is 2560, while the sum is 23.

The square root of 445244 is about 667.2660638756. The cubic root of 445244 is about 76.3600185533.

Adding to 445244 its reverse (442544), we get a palindrome (887788).

The spelling of 445244 in words is "four hundred forty-five thousand, two hundred forty-four".