143244 has 36 divisors (see below), whose sum is σ = 380016. Its totient is φ = 45408.

The previous prime is 143243. The next prime is 143249. The reversal of 143244 is 442341.

143244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (143243) 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, 742 + ... + 914.

It is an arithmetic number, because the mean of its divisors is an integer number (10556).

2¹⁴³²⁴⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190008).

143244 is an abundant number, since it is smaller than the sum of its proper divisors (236772).

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

143244 is a wasteful number, since it uses less digits than its factorization.

143244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 201 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 143244 is about 378.4758909098. The cubic root of 143244 is about 52.3229409451.

Adding to 143244 its reverse (442341), we get a palindrome (585585).

The spelling of 143244 in words is "one hundred forty-three thousand, two hundred forty-four", and thus it is an iban number.