45943 has 2 divisors, whose sum is σ = 45944. Its totient is φ = 45942.

The previous prime is 45893. The next prime is 45949. The reversal of 45943 is 34954.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45943 is a prime.

It is a super-2 number, since 2×45943² = 4221518498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22971 + 22972.

It is an arithmetic number, because the mean of its divisors is an integer number (22972).

2⁴⁵⁹⁴³ is an apocalyptic number.

45943 is a deficient number, since it is larger than the sum of its proper divisors (1).

45943 is an equidigital number, since it uses as much as digits as its factorization.

45943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 25.

The square root of 45943 is about 214.3431827701. The cubic root of 45943 is about 35.8156730475.

The spelling of 45943 in words is "forty-five thousand, nine hundred forty-three".