203104142 has 4 divisors (see below), whose sum is σ = 304656216. Its totient is φ = 101552070.

The previous prime is 203104133. The next prime is 203104147. The reversal of 203104142 is 241401302.

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

It is a self number, because there is not a number n which added to its sum of digits gives 203104142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203104147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50776034 + ... + 50776037.

It is an arithmetic number, because the mean of its divisors is an integer number (76164054).

Almost surely, 2^203104142 is an apocalyptic number.

203104142 is a deficient number, since it is larger than the sum of its proper divisors (101552074).

203104142 is a wasteful number, since it uses less digits than its factorization.

203104142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101552073.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 203104142 is about 14251.4610479066. The cubic root of 203104142 is about 587.8135505691.

Adding to 203104142 its reverse (241401302), we get a palindrome (444505444).

The spelling of 203104142 in words is "two hundred three million, one hundred four thousand, one hundred forty-two".