45944 has 8 divisors (see below), whose sum is σ = 86160. Its totient is φ = 22968.

The previous prime is 45943. The next prime is 45949. The reversal of 45944 is 44954.

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

It is a super-2 number, since 2×45944² = 4221702272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2864 + ... + 2879.

It is an arithmetic number, because the mean of its divisors is an integer number (10770).

2⁴⁵⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

45944 is a deficient number, since it is larger than the sum of its proper divisors (40216).

45944 is a wasteful number, since it uses less digits than its factorization.

45944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5749 (or 5745 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 45944 is about 214.3455154651. The cubic root of 45944 is about 35.8159329015.

Subtracting from 45944 its reverse (44954), we obtain a triangular number (990 = T₄₄).

It can be divided in two parts, 45 and 944, that added together give a palindrome (989).

The spelling of 45944 in words is "forty-five thousand, nine hundred forty-four".