143221014242389 has 2 divisors, whose sum is σ = 143221014242390. Its totient is φ = 143221014242388.

The previous prime is 143221014242387. The next prime is 143221014242401. The reversal of 143221014242389 is 983242410122341.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88543714994289 + 54677299248100 = 9409767^2 + 7394410^2 .

It is a cyclic number.

It is not a de Polignac number, because 143221014242389 - 2¹ = 143221014242387 is a prime.

Together with 143221014242387, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143221014242387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71610507121194 + 71610507121195.

It is an arithmetic number, because the mean of its divisors is an integer number (71610507121195).

Almost surely, 2^{143221014242389} is an apocalyptic number.

It is an amenable number.

143221014242389 is a deficient number, since it is larger than the sum of its proper divisors (1).

143221014242389 is an equidigital number, since it uses as much as digits as its factorization.

143221014242389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 663552, while the sum is 46.

The spelling of 143221014242389 in words is "one hundred forty-three trillion, two hundred twenty-one billion, fourteen million, two hundred forty-two thousand, three hundred eighty-nine".