143240329 has 2 divisors, whose sum is σ = 143240330. Its totient is φ = 143240328.

The previous prime is 143240287. The next prime is 143240333. The reversal of 143240329 is 923042341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106915600 + 36324729 = 10340^2 + 6027^2 .

It is a cyclic number.

It is not a de Polignac number, because 143240329 - 2¹³ = 143232137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143240297 and 143240306.

It is not a weakly prime, because it can be changed into another prime (143240359) 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, 71620164 + 71620165.

It is an arithmetic number, because the mean of its divisors is an integer number (71620165).

Almost surely, 2^143240329 is an apocalyptic number.

It is an amenable number.

143240329 is a deficient number, since it is larger than the sum of its proper divisors (1).

143240329 is an equidigital number, since it uses as much as digits as its factorization.

143240329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 143240329 is about 11968.3051849458. The cubic root of 143240329 is about 523.2249397085.

The spelling of 143240329 in words is "one hundred forty-three million, two hundred forty thousand, three hundred twenty-nine".