45223 has 4 divisors (see below), whose sum is σ = 46368. Its totient is φ = 44080.

The previous prime is 45197. The next prime is 45233. The reversal of 45223 is 32254.

45223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32254 = 2 ⋅16127.

It is a cyclic number.

It is not a de Polignac number, because 45223 - 2⁵ = 45191 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 45197 and 45206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511 + ... + 592.

It is an arithmetic number, because the mean of its divisors is an integer number (11592).

2⁴⁵²²³ is an apocalyptic number.

45223 is a deficient number, since it is larger than the sum of its proper divisors (1145).

45223 is a wasteful number, since it uses less digits than its factorization.

45223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144.

The product of its digits is 240, while the sum is 16.

The square root of 45223 is about 212.6570008253. The cubic root of 45223 is about 35.6275908652.

Adding to 45223 its reverse (32254), we get a palindrome (77477).

The spelling of 45223 in words is "forty-five thousand, two hundred twenty-three".