545283 has 12 divisors (see below), whose sum is σ = 806520. Its totient is φ = 354816.

The previous prime is 545267. The next prime is 545291. The reversal of 545283 is 382545.

It is not a de Polignac number, because 545283 - 2⁴ = 545267 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (545203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 318 + ... + 1091.

It is an arithmetic number, because the mean of its divisors is an integer number (67210).

2⁵⁴⁵²⁸³ is an apocalyptic number.

545283 is a deficient number, since it is larger than the sum of its proper divisors (261237).

545283 is a wasteful number, since it uses less digits than its factorization.

545283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458 (or 1455 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 545283 is about 738.4327999216. The cubic root of 545283 is about 81.6972276755.

It can be divided in two parts, 545 and 283, that added together give a palindrome (828).

The spelling of 545283 in words is "five hundred forty-five thousand, two hundred eighty-three".