143994 has 16 divisors (see below), whose sum is σ = 292032. Its totient is φ = 47328.

The previous prime is 143981. The next prime is 143999. The reversal of 143994 is 499341.

143994 is nontrivially palindromic in base 12.

143994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (143999) by changing a digit.

143994 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502 + ... + 734.

It is an arithmetic number, because the mean of its divisors is an integer number (18252).

2¹⁴³⁹⁹⁴ is an apocalyptic number.

143994 is an abundant number, since it is smaller than the sum of its proper divisors (148038).

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

143994 is a wasteful number, since it uses less digits than its factorization.

143994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341.

The product of its digits is 3888, while the sum is 30.

The square root of 143994 is about 379.4654134437. The cubic root of 143994 is about 52.4140998903.

The spelling of 143994 in words is "one hundred forty-three thousand, nine hundred ninety-four".