203444242 has 4 divisors (see below), whose sum is σ = 305166366. Its totient is φ = 101722120.

The previous prime is 203444239. The next prime is 203444273. The reversal of 203444242 is 242444302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242444302 = 2 ⋅121222151.

It can be written as a sum of positive squares in only one way, i.e., 203376121 + 68121 = 14261^2 + 261^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50861059 + ... + 50861062.

Almost surely, 2^203444242 is an apocalyptic number.

203444242 is a deficient number, since it is larger than the sum of its proper divisors (101722124).

203444242 is a wasteful number, since it uses less digits than its factorization.

203444242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101722123.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 203444242 is about 14263.3881669118. The cubic root of 203444242 is about 588.1414675734.

Adding to 203444242 its reverse (242444302), we get a palindrome (445888544).

The spelling of 203444242 in words is "two hundred three million, four hundred forty-four thousand, two hundred forty-two".