45579 has 4 divisors (see below), whose sum is σ = 60776. Its totient is φ = 30384.

The previous prime is 45569. The next prime is 45587. The reversal of 45579 is 97554.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-45579 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7594 + ... + 7599.

It is an arithmetic number, because the mean of its divisors is an integer number (15194).

2⁴⁵⁵⁷⁹ is an apocalyptic number.

45579 is a deficient number, since it is larger than the sum of its proper divisors (15197).

45579 is a wasteful number, since it uses less digits than its factorization.

45579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15196.

The product of its digits is 6300, while the sum is 30.

The square root of 45579 is about 213.4923886231. The cubic root of 45579 is about 35.7208346086.

The spelling of 45579 in words is "forty-five thousand, five hundred seventy-nine".