143163240420391 has 2 divisors, whose sum is σ = 143163240420392. Its totient is φ = 143163240420390.

The previous prime is 143163240420373. The next prime is 143163240420407. The reversal of 143163240420391 is 193024042361341.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 143163240420391 - 2¹⁷ = 143163240289319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143163240420191) 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, 71581620210195 + 71581620210196.

It is an arithmetic number, because the mean of its divisors is an integer number (71581620210196).

Almost surely, 2^{143163240420391} is an apocalyptic number.

143163240420391 is a deficient number, since it is larger than the sum of its proper divisors (1).

143163240420391 is an equidigital number, since it uses as much as digits as its factorization.

143163240420391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 143163240420391 in words is "one hundred forty-three trillion, one hundred sixty-three billion, two hundred forty million, four hundred twenty thousand, three hundred ninety-one".