545232 has 40 divisors (see below), whose sum is σ = 1451296. Its totient is φ = 176256.

The previous prime is 545231. The next prime is 545239. The reversal of 545232 is 232545.

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

It is a junction number, because it is equal to n+sod(n) for n = 545199 and 545208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1623 + ... + 1929.

2⁵⁴⁵²³² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (725648).

545232 is an abundant number, since it is smaller than the sum of its proper divisors (906064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545232 is a wasteful number, since it uses less digits than its factorization.

545232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 349 counting only the distinct ones).

The product of its digits is 1200, while the sum is 21.

The square root of 545232 is about 738.3982665202. The cubic root of 545232 is about 81.6946805648.

Adding to 545232 its reverse (232545), we get a palindrome (777777).

It can be divided in two parts, 545 and 232, that added together give a palindrome (777).

The spelling of 545232 in words is "five hundred forty-five thousand, two hundred thirty-two".