545103 has 16 divisors (see below), whose sum is σ = 870240. Its totient is φ = 335232.

The previous prime is 545093. The next prime is 545117. The reversal of 545103 is 301545.

It is not a de Polignac number, because 545103 - 2⁴ = 545087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426 + ... + 1127.

It is an arithmetic number, because the mean of its divisors is an integer number (54390).

2⁵⁴⁵¹⁰³ is an apocalyptic number.

545103 is a deficient number, since it is larger than the sum of its proper divisors (325137).

545103 is a wasteful number, since it uses less digits than its factorization.

545103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575 (or 1569 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 545103 is about 738.3109101185. The cubic root of 545103 is about 81.6882371639.

Adding to 545103 its reverse (301545), we get a palindrome (846648).

The spelling of 545103 in words is "five hundred forty-five thousand, one hundred three".