545328 has 60 divisors (see below), whose sum is σ = 1747408. Its totient is φ = 155520.

The previous prime is 545291. The next prime is 545329. The reversal of 545328 is 823545.

It is not an unprimeable number, because it can be changed into a prime (545329) by changing a digit.

545328 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 738 + ... + 1278.

2⁵⁴⁵³²⁸ 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 545328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (873704).

545328 is an abundant number, since it is smaller than the sum of its proper divisors (1202080).

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

545328 is a wasteful number, since it uses less digits than its factorization.

545328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 553 counting only the distinct ones).

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

The square root of 545328 is about 738.4632692287. The cubic root of 545328 is about 81.6994749942.

The spelling of 545328 in words is "five hundred forty-five thousand, three hundred twenty-eight".