143982 has 24 divisors (see below), whose sum is σ = 329160. Its totient is φ = 45360.

The previous prime is 143981. The next prime is 143999. The reversal of 143982 is 289341.

143982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 143982.

It is not an unprimeable number, because it can be changed into a prime (143981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132 + ... + 552.

It is an arithmetic number, because the mean of its divisors is an integer number (13715).

143982 is a Friedman number, since it can be written as 421*38*9, using all its digits and the basic arithmetic operations.

2¹⁴³⁹⁸² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164580).

143982 is an abundant number, since it is smaller than the sum of its proper divisors (185178).

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

143982 is a wasteful number, since it uses less digits than its factorization.

143982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 445 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 143982 is about 379.4496013965. The cubic root of 143982 is about 52.4126438420.

It can be divided in two parts, 14398 and 2, that added together give a square (14400 = 120²).

The spelling of 143982 in words is "one hundred forty-three thousand, nine hundred eighty-two".