204144103 has 4 divisors (see below), whose sum is σ = 204214360. Its totient is φ = 204073848.

The previous prime is 204144097. The next prime is 204144119. The reversal of 204144103 is 301441402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204144103 - 2⁹ = 204143591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204141103) 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, 30573 + ... + 36646.

It is an arithmetic number, because the mean of its divisors is an integer number (51053590).

Almost surely, 2^204144103 is an apocalyptic number.

204144103 is a deficient number, since it is larger than the sum of its proper divisors (70257).

204144103 is an equidigital number, since it uses as much as digits as its factorization.

204144103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70256.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 204144103 is about 14287.9005805612. The cubic root of 204144103 is about 588.8151102632.

Adding to 204144103 its reverse (301441402), we get a palindrome (505585505).

The spelling of 204144103 in words is "two hundred four million, one hundred forty-four thousand, one hundred three".