2044245 has 16 divisors (see below), whose sum is σ = 3738240. Its totient is φ = 934464.

The previous prime is 2044243. The next prime is 2044249. The reversal of 2044245 is 5424402.

It is not a de Polignac number, because 2044245 - 2¹ = 2044243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9630 + ... + 9839.

It is an arithmetic number, because the mean of its divisors is an integer number (233640).

2^2044245 is an apocalyptic number.

It is an amenable number.

2044245 is a deficient number, since it is larger than the sum of its proper divisors (1693995).

2044245 is a wasteful number, since it uses less digits than its factorization.

2044245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19484.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 2044245 is about 1429.7709606787. The cubic root of 2044245 is about 126.9144235112.

Adding to 2044245 its reverse (5424402), we get a palindrome (7468647).

The spelling of 2044245 in words is "two million, forty-four thousand, two hundred forty-five".