143312929 has 2 divisors, whose sum is σ = 143312930. Its totient is φ = 143312928.

The previous prime is 143312909. The next prime is 143313017. The reversal of 143312929 is 929213341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80586529 + 62726400 = 8977^2 + 7920^2 .

It is a cyclic number.

It is not a de Polignac number, because 143312929 - 2⁹ = 143312417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143312894 and 143312903.

It is not a weakly prime, because it can be changed into another prime (143312909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71656464 + 71656465.

It is an arithmetic number, because the mean of its divisors is an integer number (71656465).

Almost surely, 2^143312929 is an apocalyptic number.

It is an amenable number.

143312929 is a deficient number, since it is larger than the sum of its proper divisors (1).

143312929 is an equidigital number, since it uses as much as digits as its factorization.

143312929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 34.

The square root of 143312929 is about 11971.3378116232. The cubic root of 143312929 is about 523.3133219750.

The spelling of 143312929 in words is "one hundred forty-three million, three hundred twelve thousand, nine hundred twenty-nine".