143321314489 has 2 divisors, whose sum is σ = 143321314490. Its totient is φ = 143321314488.

The previous prime is 143321314481. The next prime is 143321314547. The reversal of 143321314489 is 984413123341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138241188864 + 5080125625 = 371808^2 + 71275^2 .

It is an emirp because it is prime and its reverse (984413123341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143321314489 - 2³ = 143321314481 is a prime.

It is a super-2 number, since 2×143321314489² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (143321314481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71660657244 + 71660657245.

It is an arithmetic number, because the mean of its divisors is an integer number (71660657245).

Almost surely, 2^143321314489 is an apocalyptic number.

It is an amenable number.

143321314489 is a deficient number, since it is larger than the sum of its proper divisors (1).

143321314489 is an equidigital number, since it uses as much as digits as its factorization.

143321314489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 43.

The spelling of 143321314489 in words is "one hundred forty-three billion, three hundred twenty-one million, three hundred fourteen thousand, four hundred eighty-nine".