143984 has 10 divisors (see below), whose sum is σ = 279000. Its totient is φ = 71984.

The previous prime is 143981. The next prime is 143999. The reversal of 143984 is 489341.

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 143984.

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

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 as a sum of consecutive naturals, namely, 4484 + ... + 4515.

It is an arithmetic number, because the mean of its divisors is an integer number (27900).

2¹⁴³⁹⁸⁴ is an apocalyptic number.

It is an amenable number.

143984 is a deficient number, since it is larger than the sum of its proper divisors (135016).

143984 is an equidigital number, since it uses as much as digits as its factorization.

143984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9007 (or 9001 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 143984 is about 379.4522367835. The cubic root of 143984 is about 52.4128865224.

The spelling of 143984 in words is "one hundred forty-three thousand, nine hundred eighty-four".