2044445 has 16 divisors (see below), whose sum is σ = 2685312. Its totient is φ = 1485120.

The previous prime is 2044421. The next prime is 2044463. The reversal of 2044445 is 5444402.

It is not a de Polignac number, because 2044445 - 2¹⁰ = 2043421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2044445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4394 + ... + 4836.

It is an arithmetic number, because the mean of its divisors is an integer number (167832).

2^2044445 is an apocalyptic number.

It is an amenable number.

2044445 is a deficient number, since it is larger than the sum of its proper divisors (640867).

2044445 is a wasteful number, since it uses less digits than its factorization.

2044445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532.

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

The square root of 2044445 is about 1429.8409002403. The cubic root of 2044445 is about 126.9185622938.

Adding to 2044445 its reverse (5444402), we get a palindrome (7488847).

The spelling of 2044445 in words is "two million, forty-four thousand, four hundred forty-five".