143679929 has 2 divisors, whose sum is σ = 143679930. Its totient is φ = 143679928.

The previous prime is 143679923. The next prime is 143679961. The reversal of 143679929 is 929976341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113955625 + 29724304 = 10675^2 + 5452^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143679929 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (143679923) 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, 71839964 + 71839965.

It is an arithmetic number, because the mean of its divisors is an integer number (71839965).

Almost surely, 2^143679929 is an apocalyptic number.

It is an amenable number.

143679929 is a deficient number, since it is larger than the sum of its proper divisors (1).

143679929 is an equidigital number, since it uses as much as digits as its factorization.

143679929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 734832, while the sum is 50.

The square root of 143679929 is about 11986.6562893911. The cubic root of 143679929 is about 523.7596466307.

The spelling of 143679929 in words is "one hundred forty-three million, six hundred seventy-nine thousand, nine hundred twenty-nine".