143210664173 has 2 divisors, whose sum is σ = 143210664174. Its totient is φ = 143210664172.

The previous prime is 143210664131. The next prime is 143210664199. The reversal of 143210664173 is 371466012341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101367097924 + 41843566249 = 318382^2 + 204557^2 .

It is a cyclic number.

It is not a de Polignac number, because 143210664173 - 2⁶ = 143210664109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143210664473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71605332086 + 71605332087.

It is an arithmetic number, because the mean of its divisors is an integer number (71605332087).

Almost surely, 2^143210664173 is an apocalyptic number.

It is an amenable number.

143210664173 is a deficient number, since it is larger than the sum of its proper divisors (1).

143210664173 is an equidigital number, since it uses as much as digits as its factorization.

143210664173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 143210664173 in words is "one hundred forty-three billion, two hundred ten million, six hundred sixty-four thousand, one hundred seventy-three".