203401142 has 16 divisors (see below), whose sum is σ = 353103360. Its totient is φ = 86068008.

The previous prime is 203401139. The next prime is 203401151. The reversal of 203401142 is 241104302.

It is a self number, because there is not a number n which added to its sum of digits gives 203401142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90848 + ... + 93059.

It is an arithmetic number, because the mean of its divisors is an integer number (22068960).

Almost surely, 2^203401142 is an apocalyptic number.

203401142 is a deficient number, since it is larger than the sum of its proper divisors (149702218).

203401142 is a wasteful number, since it uses less digits than its factorization.

203401142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183995.

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

The square root of 203401142 is about 14261.8772256670. The cubic root of 203401142 is about 588.0999317251.

Adding to 203401142 its reverse (241104302), we get a palindrome (444505444).

The spelling of 203401142 in words is "two hundred three million, four hundred one thousand, one hundred forty-two".