143121464429 has 2 divisors, whose sum is σ = 143121464430. Its totient is φ = 143121464428.

The previous prime is 143121464413. The next prime is 143121464459. The reversal of 143121464429 is 924464121341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115275867529 + 27845596900 = 339523^2 + 166870^2 .

It is a cyclic number.

It is not a de Polignac number, because 143121464429 - 2⁴ = 143121464413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143121464459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71560732214 + 71560732215.

It is an arithmetic number, because the mean of its divisors is an integer number (71560732215).

Almost surely, 2^143121464429 is an apocalyptic number.

It is an amenable number.

143121464429 is a deficient number, since it is larger than the sum of its proper divisors (1).

143121464429 is an equidigital number, since it uses as much as digits as its factorization.

143121464429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 41.

It can be divided in two parts, 14312 and 1464429, that added together give a palindrome (1478741).

The spelling of 143121464429 in words is "one hundred forty-three billion, one hundred twenty-one million, four hundred sixty-four thousand, four hundred twenty-nine".