143886 has 8 divisors (see below), whose sum is σ = 287784. Its totient is φ = 47960.

The previous prime is 143881. The next prime is 143909. The reversal of 143886 is 688341.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

143886 is an admirable number.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 143886.

It is not an unprimeable number, because it can be changed into a prime (143881) by changing a digit.

143886 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11985 + ... + 11996.

It is an arithmetic number, because the mean of its divisors is an integer number (35973).

2¹⁴³⁸⁸⁶ is an apocalyptic number.

143886 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

143886 is a wasteful number, since it uses less digits than its factorization.

143886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23986.

The product of its digits is 4608, while the sum is 30.

The square root of 143886 is about 379.3230812909. The cubic root of 143886 is about 52.4009925419.

Adding to 143886 its sum of digits (30), we get a triangular number (143916 = T₅₃₆).

The spelling of 143886 in words is "one hundred forty-three thousand, eight hundred eighty-six".