143689162439 has 2 divisors, whose sum is σ = 143689162440. Its totient is φ = 143689162438.

The previous prime is 143689162423. The next prime is 143689162457. The reversal of 143689162439 is 934261986341.

143689162439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 143689162439 - 2⁴ = 143689162423 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143682162439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71844581219 + 71844581220.

It is an arithmetic number, because the mean of its divisors is an integer number (71844581220).

Almost surely, 2^143689162439 is an apocalyptic number.

143689162439 is a deficient number, since it is larger than the sum of its proper divisors (1).

143689162439 is an equidigital number, since it uses as much as digits as its factorization.

143689162439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6718464, while the sum is 56.

The spelling of 143689162439 in words is "one hundred forty-three billion, six hundred eighty-nine million, one hundred sixty-two thousand, four hundred thirty-nine".