444444345 has 96 divisors (see below), whose sum is σ = 852508800. Its totient is φ = 213276672.

The previous prime is 444444337. The next prime is 444444391. The reversal of 444444345 is 543444444.

It is not a de Polignac number, because 444444345 - 2³ = 444444337 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1940691 + ... + 1940919.

It is an arithmetic number, because the mean of its divisors is an integer number (8880300).

Almost surely, 2^444444345 is an apocalyptic number.

444444345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

444444345 is a deficient number, since it is larger than the sum of its proper divisors (408064455).

444444345 is a wasteful number, since it uses less digits than its factorization.

444444345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 356 counting only the distinct ones).

The product of its digits is 245760, while the sum is 36.

The square root of 444444345 is about 21081.8487092570. The cubic root of 444444345 is about 763.1427714511.

Adding to 444444345 its reverse (543444444), we get a palindrome (987888789).

Subtracting 444444345 from its reverse (543444444), we obtain a palindrome (99000099).

The spelling of 444444345 in words is "four hundred forty-four million, four hundred forty-four thousand, three hundred forty-five".