2045244 has 24 divisors (see below), whose sum is σ = 4889808. Its totient is φ = 664960.

The previous prime is 2045213. The next prime is 2045311. The reversal of 2045244 is 4425402.

It is a self number, because there is not a number n which added to its sum of digits gives 2045244.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1587 + ... + 2570.

It is an arithmetic number, because the mean of its divisors is an integer number (203742).

2^2045244 is an apocalyptic number.

It is an amenable number.

2045244 is an abundant number, since it is smaller than the sum of its proper divisors (2844564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2045244 is a wasteful number, since it uses less digits than its factorization.

2045244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4205 (or 4203 counting only the distinct ones).

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

The square root of 2045244 is about 1430.1202746622. The cubic root of 2045244 is about 126.9350940377.

The spelling of 2045244 in words is "two million, forty-five thousand, two hundred forty-four".