445441144 has 16 divisors (see below), whose sum is σ = 842866200. Its totient is φ = 220676832.

The previous prime is 445441133. The next prime is 445441153. The reversal of 445441144 is 441144544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254542 + ... + 256285.

Almost surely, 2^445441144 is an apocalyptic number.

It is an amenable number.

445441144 is a deficient number, since it is larger than the sum of its proper divisors (397425056).

445441144 is a wasteful number, since it uses less digits than its factorization.

445441144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510942 (or 510938 counting only the distinct ones).

The product of its digits is 20480, while the sum is 31.

The square root of 445441144 is about 21105.4766352243. The cubic root of 445441144 is about 763.7128705488.

Adding to 445441144 its reverse (441144544), we get a palindrome (886585688).

The spelling of 445441144 in words is "four hundred forty-five million, four hundred forty-one thousand, one hundred forty-four".