203442042 has 8 divisors (see below), whose sum is σ = 406884096. Its totient is φ = 67814012.

The previous prime is 203442023. The next prime is 203442049. The reversal of 203442042 is 240244302.

It is a sphenic number, since it is the product of 3 distinct primes.

203442042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (203442049) 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, 16953498 + ... + 16953509.

It is an arithmetic number, because the mean of its divisors is an integer number (50860512).

Almost surely, 2^203442042 is an apocalyptic number.

203442042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203442042 is a wasteful number, since it uses less digits than its factorization.

203442042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33907012.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 203442042 is about 14263.3110461772. The cubic root of 203442042 is about 588.1393475562.

Adding to 203442042 its reverse (240244302), we get a palindrome (443686344).

The spelling of 203442042 in words is "two hundred three million, four hundred forty-two thousand, forty-two".