202243144 has 16 divisors (see below), whose sum is σ = 399164400. Its totient is φ = 95799312.

The previous prime is 202243133. The next prime is 202243159. The reversal of 202243144 is 441342202.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 665122 + ... + 665425.

It is an arithmetic number, because the mean of its divisors is an integer number (24947775).

Almost surely, 2^202243144 is an apocalyptic number.

It is an amenable number.

202243144 is a deficient number, since it is larger than the sum of its proper divisors (196921256).

202243144 is a wasteful number, since it uses less digits than its factorization.

202243144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330572 (or 1330568 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 202243144 is about 14221.2216071616. The cubic root of 202243144 is about 586.9817553851.

Adding to 202243144 its reverse (441342202), we get a palindrome (643585346).

The spelling of 202243144 in words is "two hundred two million, two hundred forty-three thousand, one hundred forty-four".