45574 has 4 divisors (see below), whose sum is σ = 68364. Its totient is φ = 22786.

The previous prime is 45569. The next prime is 45587. The reversal of 45574 is 47554.

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

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

45574 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11392 + ... + 11395.

It is an arithmetic number, because the mean of its divisors is an integer number (17091).

2⁴⁵⁵⁷⁴ is an apocalyptic number.

45574 is a deficient number, since it is larger than the sum of its proper divisors (22790).

45574 is a wasteful number, since it uses less digits than its factorization.

45574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22789.

The product of its digits is 2800, while the sum is 25.

The square root of 45574 is about 213.4806782826. The cubic root of 45574 is about 35.7195283732.

It can be divided in two parts, 455 and 74, that multiplied together give a triangular number (33670 = T₂₅₉).

The spelling of 45574 in words is "forty-five thousand, five hundred seventy-four".