45573 has 8 divisors (see below), whose sum is σ = 66336. Its totient is φ = 27600.

The previous prime is 45569. The next prime is 45587. The reversal of 45573 is 37554.

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

It is not a de Polignac number, because 45573 - 2² = 45569 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45503) 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, 658 + ... + 723.

It is an arithmetic number, because the mean of its divisors is an integer number (8292).

2⁴⁵⁵⁷³ is an apocalyptic number.

It is an amenable number.

45573 is a deficient number, since it is larger than the sum of its proper divisors (20763).

45573 is a wasteful number, since it uses less digits than its factorization.

45573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395.

The product of its digits is 2100, while the sum is 24.

The square root of 45573 is about 213.4783361374. The cubic root of 45573 is about 35.7192671147.

It can be divided in two parts, 4557 and 3, that added together give a triangular number (4560 = T₉₅).

The spelling of 45573 in words is "forty-five thousand, five hundred seventy-three".