45273 has 4 divisors (see below), whose sum is σ = 60368. Its totient is φ = 30180.

The previous prime is 45263. The next prime is 45281. The reversal of 45273 is 37254.

It is a happy number.

45273 is digitally balanced in base 2 and base 4, because in such bases 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 45273 - 2¹⁰ = 44249 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 12.

It is a nialpdrome in base 15.

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, 7543 + ... + 7548.

It is an arithmetic number, because the mean of its divisors is an integer number (15092).

2⁴⁵²⁷³ is an apocalyptic number.

It is an amenable number.

45273 is a deficient number, since it is larger than the sum of its proper divisors (15095).

45273 is a wasteful number, since it uses less digits than its factorization.

45273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15094.

The product of its digits is 840, while the sum is 21.

The square root of 45273 is about 212.7745285508. The cubic root of 45273 is about 35.6407163650.

It can be divided in two parts, 452 and 73, that added together give a palindrome (525).

The spelling of 45273 in words is "forty-five thousand, two hundred seventy-three".