203412142 has 16 divisors (see below), whose sum is σ = 315729792. Its totient is φ = 98184960.

The previous prime is 203412137. The next prime is 203412149. The reversal of 203412142 is 241214302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203412149) 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, 23058 + ... + 30634.

It is an arithmetic number, because the mean of its divisors is an integer number (19733112).

Almost surely, 2^203412142 is an apocalyptic number.

203412142 is a deficient number, since it is larger than the sum of its proper divisors (112317650).

203412142 is a wasteful number, since it uses less digits than its factorization.

203412142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8043.

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

The square root of 203412142 is about 14262.2628639357. The cubic root of 203412142 is about 588.1105330793.

Adding to 203412142 its reverse (241214302), we get a palindrome (444626444).

The spelling of 203412142 in words is "two hundred three million, four hundred twelve thousand, one hundred forty-two".