203044442 has 16 divisors (see below), whose sum is σ = 306742464. Its totient is φ = 100800000.

The previous prime is 203044433. The next prime is 203044519. The reversal of 203044442 is 244440302.

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 in 7 ways as a sum of consecutive naturals, for example, 316442 + ... + 317082.

It is an arithmetic number, because the mean of its divisors is an integer number (19171404).

Almost surely, 2^203044442 is an apocalyptic number.

203044442 is a deficient number, since it is larger than the sum of its proper divisors (103698022).

203044442 is a wasteful number, since it uses less digits than its factorization.

203044442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 203044442 is about 14249.3663718777. The cubic root of 203044442 is about 587.7559513698.

Adding to 203044442 its reverse (244440302), we get a palindrome (447484744).

The spelling of 203044442 in words is "two hundred three million, forty-four thousand, four hundred forty-two".