143469329 has 2 divisors, whose sum is σ = 143469330. Its totient is φ = 143469328.

The previous prime is 143469301. The next prime is 143469343. The reversal of 143469329 is 923964341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84916225 + 58553104 = 9215^2 + 7652^2 .

It is an emirp because it is prime and its reverse (923964341) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143469329 is a prime.

It is not a weakly prime, because it can be changed into another prime (143469349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71734664 + 71734665.

It is an arithmetic number, because the mean of its divisors is an integer number (71734665).

Almost surely, 2^143469329 is an apocalyptic number.

It is an amenable number.

143469329 is a deficient number, since it is larger than the sum of its proper divisors (1).

143469329 is an equidigital number, since it uses as much as digits as its factorization.

143469329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 41.

The square root of 143469329 is about 11977.8682994930. The cubic root of 143469329 is about 523.5036198747.

The spelling of 143469329 in words is "one hundred forty-three million, four hundred sixty-nine thousand, three hundred twenty-nine".