143685681108 has 12 divisors (see below), whose sum is σ = 335266589280. Its totient is φ = 47895227032.

The previous prime is 143685681107. The next prime is 143685681151. The reversal of 143685681108 is 801186586341.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143685681103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5986903368 + ... + 5986903391.

It is an arithmetic number, because the mean of its divisors is an integer number (27938882440).

Almost surely, 2^143685681108 is an apocalyptic number.

It is an amenable number.

143685681108 is an abundant number, since it is smaller than the sum of its proper divisors (191580908172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143685681108 is a wasteful number, since it uses less digits than its factorization.

143685681108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11973806766 (or 11973806764 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 51.

The spelling of 143685681108 in words is "one hundred forty-three billion, six hundred eighty-five million, six hundred eighty-one thousand, one hundred eight".