244202143 has 4 divisors (see below), whose sum is σ = 246620088. Its totient is φ = 241784200.

The previous prime is 244202107. The next prime is 244202173. The reversal of 244202143 is 341202442.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 244202143 - 2⁹ = 244201631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244202173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1208821 + ... + 1209022.

It is an arithmetic number, because the mean of its divisors is an integer number (61655022).

Almost surely, 2^244202143 is an apocalyptic number.

244202143 is a deficient number, since it is larger than the sum of its proper divisors (2417945).

244202143 is a wasteful number, since it uses less digits than its factorization.

244202143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417944.

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

The square root of 244202143 is about 15626.9684520063. The cubic root of 244202143 is about 625.0524909514.

Adding to 244202143 its reverse (341202442), we get a palindrome (585404585).

The spelling of 244202143 in words is "two hundred forty-four million, two hundred two thousand, one hundred forty-three".