143640254256041 has 2 divisors, whose sum is σ = 143640254256042. Its totient is φ = 143640254256040.

The previous prime is 143640254256019. The next prime is 143640254256217. The reversal of 143640254256041 is 140652452046341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143448624816016 + 191629440025 = 11977004^2 + 437755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143640254256041 is a prime.

It is a super-2 number, since 2×143640254256041² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (143640254256011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71820127128020 + 71820127128021.

It is an arithmetic number, because the mean of its divisors is an integer number (71820127128021).

Almost surely, 2^{143640254256041} is an apocalyptic number.

It is an amenable number.

143640254256041 is a deficient number, since it is larger than the sum of its proper divisors (1).

143640254256041 is an equidigital number, since it uses as much as digits as its factorization.

143640254256041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2764800, while the sum is 47.

The spelling of 143640254256041 in words is "one hundred forty-three trillion, six hundred forty billion, two hundred fifty-four million, two hundred fifty-six thousand, forty-one".