2045944 has 8 divisors (see below), whose sum is σ = 3836160. Its totient is φ = 1022968.

The previous prime is 2045929. The next prime is 2045963. The reversal of 2045944 is 4495402.

2045944 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2045944² = 8371773702272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127864 + ... + 127879.

It is an arithmetic number, because the mean of its divisors is an integer number (479520).

2^2045944 is an apocalyptic number.

It is an amenable number.

2045944 is a deficient number, since it is larger than the sum of its proper divisors (1790216).

2045944 is a wasteful number, since it uses less digits than its factorization.

2045944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255749 (or 255745 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2045944 is about 1430.3649883858. The cubic root of 2045944 is about 126.9495738798.

It can be divided in two parts, 20459 and 44, that added together give a triangular number (20503 = T₂₀₂).

The spelling of 2045944 in words is "two million, forty-five thousand, nine hundred forty-four".