200144242 has 8 divisors (see below), whose sum is σ = 300930732. Its totient is φ = 99834000.

The previous prime is 200144239. The next prime is 200144279. The reversal of 200144242 is 242441002.

It can be written as a sum of positive squares in 2 ways, for example, as 174530521 + 25613721 = 13211^2 + 5061^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118009 + ... + 119692.

Almost surely, 2^200144242 is an apocalyptic number.

200144242 is a deficient number, since it is larger than the sum of its proper divisors (100786490).

200144242 is a wasteful number, since it uses less digits than its factorization.

200144242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238124.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 200144242 is about 14147.2344293858. The cubic root of 200144242 is about 584.9441025803.

Adding to 200144242 its reverse (242441002), we get a palindrome (442585244).

The spelling of 200144242 in words is "two hundred million, one hundred forty-four thousand, two hundred forty-two".