244256143 has 2 divisors, whose sum is σ = 244256144. Its totient is φ = 244256142.

The previous prime is 244256093. The next prime is 244256149. The reversal of 244256143 is 341652442.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244256143 is a prime.

It is a super-2 number, since 2×244256143² = 119322126786472898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244256149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122128071 + 122128072.

It is an arithmetic number, because the mean of its divisors is an integer number (122128072).

Almost surely, 2^244256143 is an apocalyptic number.

244256143 is a deficient number, since it is larger than the sum of its proper divisors (1).

244256143 is an equidigital number, since it uses as much as digits as its factorization.

244256143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 31.

The square root of 244256143 is about 15628.6961388338. The cubic root of 244256143 is about 625.0985598167.

It can be divided in two parts, 2442 and 56143, that added together give a palindrome (58585).

The spelling of 244256143 in words is "two hundred forty-four million, two hundred fifty-six thousand, one hundred forty-three".