545144 has 16 divisors (see below), whose sum is σ = 1035720. Its totient is φ = 268960.

The previous prime is 545143. The next prime is 545161. The reversal of 545144 is 441545.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254 + ... + 1074.

2⁵⁴⁵¹⁴⁴ is an apocalyptic number.

It is an amenable number.

545144 is a deficient number, since it is larger than the sum of its proper divisors (490576).

545144 is a wasteful number, since it uses less digits than its factorization.

545144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910 (or 906 counting only the distinct ones).

The product of its digits is 1600, while the sum is 23.

The square root of 545144 is about 738.3386756767. The cubic root of 545144 is about 81.6902851767.

Adding to 545144 its reverse (441545), we get a palindrome (986689).

The spelling of 545144 in words is "five hundred forty-five thousand, one hundred forty-four".