45653 has 4 divisors (see below), whose sum is σ = 46368. Its totient is φ = 44940.

The previous prime is 45641. The next prime is 45659. The reversal of 45653 is 35654.

45653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35654 = 2 ⋅17827.

It is a cyclic number.

It is not a de Polignac number, because 45653 - 2⁶ = 45589 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 45653.

It is not an unprimeable number, because it can be changed into a prime (45659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251 + ... + 392.

It is an arithmetic number, because the mean of its divisors is an integer number (11592).

2⁴⁵⁶⁵³ is an apocalyptic number.

It is an amenable number.

45653 is a deficient number, since it is larger than the sum of its proper divisors (715).

45653 is an equidigital number, since it uses as much as digits as its factorization.

45653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714.

The product of its digits is 1800, while the sum is 23.

The square root of 45653 is about 213.6656266225. The cubic root of 45653 is about 35.7401557324.

Subtracting from 45653 its reverse (35654), we obtain a palindrome (9999).

It can be divided in two parts, 4565 and 3, that multiplied together give a triangular number (13695 = T₁₆₅).

The spelling of 45653 in words is "forty-five thousand, six hundred fifty-three".