143312445197 has 2 divisors, whose sum is σ = 143312445198. Its totient is φ = 143312445196.

The previous prime is 143312445179. The next prime is 143312445203. The reversal of 143312445197 is 791544213341.

143312445197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (143312445179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136525816036 + 6786629161 = 369494^2 + 82381^2 .

It is a cyclic number.

It is not a de Polignac number, because 143312445197 - 2²⁴ = 143295667981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143312448197) 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, 71656222598 + 71656222599.

It is an arithmetic number, because the mean of its divisors is an integer number (71656222599).

Almost surely, 2^143312445197 is an apocalyptic number.

It is an amenable number.

143312445197 is a deficient number, since it is larger than the sum of its proper divisors (1).

143312445197 is an equidigital number, since it uses as much as digits as its factorization.

143312445197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 44.

The spelling of 143312445197 in words is "one hundred forty-three billion, three hundred twelve million, four hundred forty-five thousand, one hundred ninety-seven".