140243303143441 has 2 divisors, whose sum is σ = 140243303143442. Its totient is φ = 140243303143440.

The previous prime is 140243303143297. The next prime is 140243303143457. The reversal of 140243303143441 is 144341303342041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121784379075216 + 18458924068225 = 11035596^2 + 4296385^2 .

It is a cyclic number.

It is not a de Polignac number, because 140243303143441 - 2²³ = 140243294754833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140243303143441.

It is not a weakly prime, because it can be changed into another prime (140243303143241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70121651571720 + 70121651571721.

It is an arithmetic number, because the mean of its divisors is an integer number (70121651571721).

Almost surely, 2^{140243303143441} is an apocalyptic number.

It is an amenable number.

140243303143441 is a deficient number, since it is larger than the sum of its proper divisors (1).

140243303143441 is an equidigital number, since it uses as much as digits as its factorization.

140243303143441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 140243303143441 its reverse (144341303342041), we get a palindrome (284584606485482).

The spelling of 140243303143441 in words is "one hundred forty trillion, two hundred forty-three billion, three hundred three million, one hundred forty-three thousand, four hundred forty-one".