143320890197 has 2 divisors, whose sum is σ = 143320890198. Its totient is φ = 143320890196.

The previous prime is 143320890161. The next prime is 143320890259. The reversal of 143320890197 is 791098023341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88352212081 + 54968678116 = 297241^2 + 234454^2 .

It is a cyclic number.

It is not a de Polignac number, because 143320890197 - 2⁸ = 143320889941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143320893197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71660445098 + 71660445099.

It is an arithmetic number, because the mean of its divisors is an integer number (71660445099).

Almost surely, 2^143320890197 is an apocalyptic number.

It is an amenable number.

143320890197 is a deficient number, since it is larger than the sum of its proper divisors (1).

143320890197 is an equidigital number, since it uses as much as digits as its factorization.

143320890197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 143320890197 in words is "one hundred forty-three billion, three hundred twenty million, eight hundred ninety thousand, one hundred ninety-seven".