545324103 has 8 divisors (see below), whose sum is σ = 807887600. Its totient is φ = 363549384.

The previous prime is 545324099. The next prime is 545324141. The reversal of 545324103 is 301423545.

It is not a de Polignac number, because 545324103 - 2² = 545324099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 20197189 = 545324103 / (5 + 4 + 5 + 3 + 2 + 4 + 1 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545324173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10098568 + ... + 10098621.

It is an arithmetic number, because the mean of its divisors is an integer number (100985950).

Almost surely, 2^545324103 is an apocalyptic number.

545324103 is a deficient number, since it is larger than the sum of its proper divisors (262563497).

545324103 is a wasteful number, since it uses less digits than its factorization.

545324103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20197198 (or 20197192 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 545324103 is about 23352.1755517553. The cubic root of 545324103 is about 816.9928038130.

Adding to 545324103 its reverse (301423545), we get a palindrome (846747648).

The spelling of 545324103 in words is "five hundred forty-five million, three hundred twenty-four thousand, one hundred three".