45784 has 16 divisors (see below), whose sum is σ = 88200. Its totient is φ = 22272.

The previous prime is 45779. The next prime is 45817. The reversal of 45784 is 48754.

45784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 13.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424 + ... + 520.

2⁴⁵⁷⁸⁴ is an apocalyptic number.

It is an amenable number.

45784 is a deficient number, since it is larger than the sum of its proper divisors (42416).

45784 is a wasteful number, since it uses less digits than its factorization.

45784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 158 counting only the distinct ones).

The product of its digits is 4480, while the sum is 28.

The square root of 45784 is about 213.9719607799. The cubic root of 45784 is about 35.7743082107.

The spelling of 45784 in words is "forty-five thousand, seven hundred eighty-four".