203542242 has 32 divisors (see below), whose sum is σ = 430099200. Its totient is φ = 64111488.

The previous prime is 203542223. The next prime is 203542247. The reversal of 203542242 is 242245302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (203542247) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 4267 + ... + 20622.

It is an arithmetic number, because the mean of its divisors is an integer number (13440600).

Almost surely, 2^203542242 is an apocalyptic number.

203542242 is an abundant number, since it is smaller than the sum of its proper divisors (226556958).

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

203542242 is a wasteful number, since it uses less digits than its factorization.

203542242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24970.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 203542242 is about 14266.8231221951. The cubic root of 203542242 is about 588.2358892045.

Adding to 203542242 its reverse (242245302), we get a palindrome (445787544).

The spelling of 203542242 in words is "two hundred three million, five hundred forty-two thousand, two hundred forty-two".