200144442 has 16 divisors (see below), whose sum is σ = 421356960. Its totient is φ = 63203472.

The previous prime is 200144431. The next prime is 200144443. The reversal of 200144442 is 244441002.

It is not an unprimeable number, because it can be changed into a prime (200144443) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 877713 + ... + 877940.

It is an arithmetic number, because the mean of its divisors is an integer number (26334810).

Almost surely, 2^200144442 is an apocalyptic number.

200144442 is an abundant number, since it is smaller than the sum of its proper divisors (221212518).

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

200144442 is a wasteful number, since it uses less digits than its factorization.

200144442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755677.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 200144442 is about 14147.2414979034. The cubic root of 200144442 is about 584.9442974211.

Adding to 200144442 its reverse (244441002), we get a palindrome (444585444).

The spelling of 200144442 in words is "two hundred million, one hundred forty-four thousand, four hundred forty-two".