545024 has 18 divisors (see below), whose sum is σ = 1088430. Its totient is φ = 272384.

The previous prime is 545023. The next prime is 545029. The reversal of 545024 is 420545.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 409600 + 135424 = 640^2 + 368^2 .

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 544987 and 545005.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 809 + ... + 1320.

2⁵⁴⁵⁰²⁴ is an apocalyptic number.

It is an amenable number.

545024 is a deficient number, since it is larger than the sum of its proper divisors (543406).

545024 is an equidigital number, since it uses as much as digits as its factorization.

545024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145 (or 2131 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 545024 is about 738.2574076838. The cubic root of 545024 is about 81.6842907033.

Adding to 545024 its reverse (420545), we get a palindrome (965569).

The spelling of 545024 in words is "five hundred forty-five thousand, twenty-four".