143440442213 has 2 divisors, whose sum is σ = 143440442214. Its totient is φ = 143440442212.

The previous prime is 143440442203. The next prime is 143440442231. The reversal of 143440442213 is 312244044341.

Together with next prime (143440442231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100789105729 + 42651336484 = 317473^2 + 206522^2 .

It is a cyclic number.

It is not a de Polignac number, because 143440442213 - 2¹⁴ = 143440425829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143440442213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143440442203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71720221106 + 71720221107.

It is an arithmetic number, because the mean of its divisors is an integer number (71720221107).

Almost surely, 2^143440442213 is an apocalyptic number.

It is an amenable number.

143440442213 is a deficient number, since it is larger than the sum of its proper divisors (1).

143440442213 is an equidigital number, since it uses as much as digits as its factorization.

143440442213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 143440442213 its reverse (312244044341), we get a palindrome (455684486554).

The spelling of 143440442213 in words is "one hundred forty-three billion, four hundred forty million, four hundred forty-two thousand, two hundred thirteen".