45783 has 6 divisors (see below), whose sum is σ = 66144. Its totient is φ = 30516.

The previous prime is 45779. The next prime is 45817. The reversal of 45783 is 38754.

It is not a de Polignac number, because 45783 - 2² = 45779 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45763) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2535 + ... + 2552.

It is an arithmetic number, because the mean of its divisors is an integer number (11024).

2⁴⁵⁷⁸³ is an apocalyptic number.

45783 is a deficient number, since it is larger than the sum of its proper divisors (20361).

45783 is a wasteful number, since it uses less digits than its factorization.

45783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5093 (or 5090 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 45783 is about 213.9696240124. The cubic root of 45783 is about 35.7740477517.

It can be divided in two parts, 45 and 783, that added together give a palindrome (828).

The spelling of 45783 in words is "forty-five thousand, seven hundred eighty-three".