45814 has 4 divisors (see below), whose sum is σ = 68724. Its totient is φ = 22906.

The previous prime is 45779. The next prime is 45817. The reversal of 45814 is 41854.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11452 + ... + 11455.

It is an arithmetic number, because the mean of its divisors is an integer number (17181).

2⁴⁵⁸¹⁴ is an apocalyptic number.

45814 is a deficient number, since it is larger than the sum of its proper divisors (22910).

45814 is a wasteful number, since it uses less digits than its factorization.

45814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22909.

The product of its digits is 640, while the sum is 22.

The square root of 45814 is about 214.0420519431. The cubic root of 45814 is about 35.7821202187.

The spelling of 45814 in words is "forty-five thousand, eight hundred fourteen".