203343142 has 4 divisors (see below), whose sum is σ = 305014716. Its totient is φ = 101671570.

The previous prime is 203343113. The next prime is 203343163. The reversal of 203343142 is 241343302.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50835784 + ... + 50835787.

It is an arithmetic number, because the mean of its divisors is an integer number (76253679).

Almost surely, 2^203343142 is an apocalyptic number.

203343142 is a deficient number, since it is larger than the sum of its proper divisors (101671574).

203343142 is a wasteful number, since it uses less digits than its factorization.

203343142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101671573.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 203343142 is about 14259.8436877828. The cubic root of 203343142 is about 588.0440273541.

Adding to 203343142 its reverse (241343302), we get a palindrome (444686444).

The spelling of 203343142 in words is "two hundred three million, three hundred forty-three thousand, one hundred forty-two".