45983 has 4 divisors (see below), whose sum is σ = 52560. Its totient is φ = 39408.

The previous prime is 45979. The next prime is 45989. The reversal of 45983 is 38954.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38954 = 2 ⋅19477.

It is a cyclic number.

It is not a de Polignac number, because 45983 - 2² = 45979 is a prime.

It is a super-2 number, since 2×45983² = 4228872578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45989) by changing a digit.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3278 + ... + 3291.

It is an arithmetic number, because the mean of its divisors is an integer number (13140).

2⁴⁵⁹⁸³ is an apocalyptic number.

45983 is a deficient number, since it is larger than the sum of its proper divisors (6577).

45983 is an equidigital number, since it uses as much as digits as its factorization.

45983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6576.

The product of its digits is 4320, while the sum is 29.

The square root of 45983 is about 214.4364707786. The cubic root of 45983 is about 35.8260642668.

Subtracting from 45983 its sum of digits (29), we obtain a palindrome (45954).

It can be divided in two parts, 4 and 5983, that multiplied together give a palindrome (23932).

The spelling of 45983 in words is "forty-five thousand, nine hundred eighty-three".