545230 has 16 divisors (see below), whose sum is σ = 1121760. Its totient is φ = 186912.

The previous prime is 545213. The next prime is 545231. The reversal of 545230 is 32545.

It is a happy number.

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 = 545198 and 545207.

It is a congruent number.

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

545230 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 7 ways as a sum of consecutive naturals, for example, 3825 + ... + 3964.

It is an arithmetic number, because the mean of its divisors is an integer number (70110).

2⁵⁴⁵²³⁰ is an apocalyptic number.

545230 is an abundant number, since it is smaller than the sum of its proper divisors (576530).

It is a weird number, because it is abundant, but not a pseudoperfect number.

545230 is a wasteful number, since it uses less digits than its factorization.

545230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7803.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 545230 is about 738.3969122362. The cubic root of 545230 is about 81.6945806748.

Adding to 545230 its reverse (32545), we get a palindrome (577775).

The spelling of 545230 in words is "five hundred forty-five thousand, two hundred thirty".