45693 has 6 divisors (see below), whose sum is σ = 66014. Its totient is φ = 30456.

The previous prime is 45691. The next prime is 45697. The reversal of 45693 is 39654.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 45369 + 324 = 213^2 + 18^2 .

It is not a de Polignac number, because 45693 - 2¹ = 45691 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45691) 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, 2530 + ... + 2547.

2⁴⁵⁶⁹³ is an apocalyptic number.

It is an amenable number.

45693 is a deficient number, since it is larger than the sum of its proper divisors (20321).

45693 is a wasteful number, since it uses less digits than its factorization.

45693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5083 (or 5080 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 45693 is about 213.7592103279. The cubic root of 45693 is about 35.7505908912.

The spelling of 45693 in words is "forty-five thousand, six hundred ninety-three".