545300 has 72 divisors (see below), whose sum is σ = 1458240. Its totient is φ = 172800.

The previous prime is 545291. The next prime is 545329. The reversal of 545300 is 3545.

It is a zygodrome in base 5.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 545300.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13280 + ... + 13320.

2⁵⁴⁵³⁰⁰ is an apocalyptic number.

545300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (729120).

545300 is an abundant number, since it is smaller than the sum of its proper divisors (912940).

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

545300 is a wasteful number, since it uses less digits than its factorization.

545300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 545300 is about 738.4443106965. Note that the first 3 decimals coincide. The cubic root of 545300 is about 81.6980766771.

Adding to 545300 its reverse (3545), we get a palindrome (548845).

The spelling of 545300 in words is "five hundred forty-five thousand, three hundred".