143881867 has 2 divisors, whose sum is σ = 143881868. Its totient is φ = 143881866.

The previous prime is 143881823. The next prime is 143881877. The reversal of 143881867 is 768188341.

143881867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 143881867 - 2⁷ = 143881739 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (143881807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71940933 + 71940934.

It is an arithmetic number, because the mean of its divisors is an integer number (71940934).

Almost surely, 2^143881867 is an apocalyptic number.

143881867 is a deficient number, since it is larger than the sum of its proper divisors (1).

143881867 is an equidigital number, since it uses as much as digits as its factorization.

143881867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 258048, while the sum is 46.

The square root of 143881867 is about 11995.0767817468. The cubic root of 143881867 is about 524.0049081276.

The spelling of 143881867 in words is "one hundred forty-three million, eight hundred eighty-one thousand, eight hundred sixty-seven".