545028 has 24 divisors (see below), whose sum is σ = 1387680. Its totient is φ = 165120.

The previous prime is 545023. The next prime is 545029. The reversal of 545028 is 820545.

It is a junction number, because it is equal to n+sod(n) for n = 544989 and 545007.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 545028.

It is not an unprimeable number, because it can be changed into a prime (545023) by changing a digit.

545028 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1933 + ... + 2196.

It is an arithmetic number, because the mean of its divisors is an integer number (57820).

2⁵⁴⁵⁰²⁸ is an apocalyptic number.

It is an amenable number.

545028 is an abundant number, since it is smaller than the sum of its proper divisors (842652).

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

545028 is a wasteful number, since it uses less digits than its factorization.

545028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4147 (or 4145 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 545028 is about 738.2601167610. The cubic root of 545028 is about 81.6844905333.

The spelling of 545028 in words is "five hundred forty-five thousand, twenty-eight".