143251426429 has 2 divisors, whose sum is σ = 143251426430. Its totient is φ = 143251426428.

The previous prime is 143251426391. The next prime is 143251426463. The reversal of 143251426429 is 924624152341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118883592025 + 24367834404 = 344795^2 + 156102^2 .

It is a cyclic number.

It is not a de Polignac number, because 143251426429 - 2⁷ = 143251426301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143251421429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71625713214 + 71625713215.

It is an arithmetic number, because the mean of its divisors is an integer number (71625713215).

Almost surely, 2^143251426429 is an apocalyptic number.

It is an amenable number.

143251426429 is a deficient number, since it is larger than the sum of its proper divisors (1).

143251426429 is an equidigital number, since it uses as much as digits as its factorization.

143251426429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 43.

The spelling of 143251426429 in words is "one hundred forty-three billion, two hundred fifty-one million, four hundred twenty-six thousand, four hundred twenty-nine".