143302244236681 has 2 divisors, whose sum is σ = 143302244236682. Its totient is φ = 143302244236680.

The previous prime is 143302244236643. The next prime is 143302244236699. The reversal of 143302244236681 is 186632442203341.

143302244236681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125525134440000 + 17777109796681 = 11203800^2 + 4216291^2 .

It is a cyclic number.

It is not a de Polignac number, because 143302244236681 - 2¹⁵ = 143302244203913 is a prime.

It is a super-2 number, since 2×143302244236681² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (143302244230681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71651122118340 + 71651122118341.

It is an arithmetic number, because the mean of its divisors is an integer number (71651122118341).

Almost surely, 2^{143302244236681} is an apocalyptic number.

It is an amenable number.

143302244236681 is a deficient number, since it is larger than the sum of its proper divisors (1).

143302244236681 is an equidigital number, since it uses as much as digits as its factorization.

143302244236681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3981312, while the sum is 49.

The spelling of 143302244236681 in words is "one hundred forty-three trillion, three hundred two billion, two hundred forty-four million, two hundred thirty-six thousand, six hundred eighty-one".