143840068 has 24 divisors (see below), whose sum is σ = 263753280. Its totient is φ = 68508000.

The previous prime is 143840063. The next prime is 143840083. The reversal of 143840068 is 860048341.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (143840063) 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 in 7 ways as a sum of consecutive naturals, for example, 19978 + ... + 26206.

It is an arithmetic number, because the mean of its divisors is an integer number (10989720).

Almost surely, 2^143840068 is an apocalyptic number.

It is an amenable number.

143840068 is a deficient number, since it is larger than the sum of its proper divisors (119913212).

143840068 is a wasteful number, since it uses less digits than its factorization.

143840068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6507 (or 6505 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 143840068 is about 11993.3343153603. The cubic root of 143840068 is about 523.9541604716.

The spelling of 143840068 in words is "one hundred forty-three million, eight hundred forty thousand, sixty-eight".