244424143 has 4 divisors (see below), whose sum is σ = 244468840. Its totient is φ = 244379448.

The previous prime is 244424137. The next prime is 244424149. The reversal of 244424143 is 341424442.

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

It is an interprime number because it is at equal distance from previous prime (244424137) and next prime (244424149).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244424143 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 (244424149) 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, 12780 + ... + 25537.

It is an arithmetic number, because the mean of its divisors is an integer number (61117210).

Almost surely, 2^244424143 is an apocalyptic number.

244424143 is a deficient number, since it is larger than the sum of its proper divisors (44697).

244424143 is an equidigital number, since it uses as much as digits as its factorization.

244424143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44696.

The product of its digits is 12288, while the sum is 28.

The square root of 244424143 is about 15634.0699435560. The cubic root of 244424143 is about 625.2418417680.

Adding to 244424143 its reverse (341424442), we get a palindrome (585848585).

The spelling of 244424143 in words is "two hundred forty-four million, four hundred twenty-four thousand, one hundred forty-three".