45539 has 8 divisors (see below), whose sum is σ = 51072. Its totient is φ = 40320.

The previous prime is 45533. The next prime is 45541. The reversal of 45539 is 93554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45539 - 2⁴ = 45523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347 + ... + 459.

It is an arithmetic number, because the mean of its divisors is an integer number (6384).

2⁴⁵⁵³⁹ is an apocalyptic number.

45539 is a deficient number, since it is larger than the sum of its proper divisors (5533).

45539 is a wasteful number, since it uses less digits than its factorization.

45539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157.

The product of its digits is 2700, while the sum is 26.

The square root of 45539 is about 213.3986879060. The cubic root of 45539 is about 35.7103820495.

It can be divided in two parts, 455 and 39, that added together give a palindrome (494).

The spelling of 45539 in words is "forty-five thousand, five hundred thirty-nine".