143522429 has 2 divisors, whose sum is σ = 143522430. Its totient is φ = 143522428.

The previous prime is 143522419. The next prime is 143522437. The reversal of 143522429 is 924225341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132480100 + 11042329 = 11510^2 + 3323^2 .

It is a cyclic number.

It is not a de Polignac number, because 143522429 - 2⁸ = 143522173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143522395 and 143522404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143522419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71761214 + 71761215.

It is an arithmetic number, because the mean of its divisors is an integer number (71761215).

Almost surely, 2^143522429 is an apocalyptic number.

It is an amenable number.

143522429 is a deficient number, since it is larger than the sum of its proper divisors (1).

143522429 is an equidigital number, since it uses as much as digits as its factorization.

143522429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 143522429 is about 11980.0846825054. The cubic root of 143522429 is about 523.5681972392.

The spelling of 143522429 in words is "one hundred forty-three million, five hundred twenty-two thousand, four hundred twenty-nine".