143444 has 24 divisors (see below), whose sum is σ = 295680. Its totient is φ = 59616.

The previous prime is 143443. The next prime is 143461. The reversal of 143444 is 444341.

It is a super-2 number, since 2×143444² = 41152362272, which contains 22 as substring.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1262 + ... + 1370.

It is an arithmetic number, because the mean of its divisors is an integer number (12320).

2¹⁴³⁴⁴⁴ is an apocalyptic number.

143444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147840).

143444 is an abundant number, since it is smaller than the sum of its proper divisors (152236).

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

143444 is a wasteful number, since it uses less digits than its factorization.

143444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 165 counting only the distinct ones).

The product of its digits is 768, while the sum is 20.

The square root of 143444 is about 378.7400163701. The cubic root of 143444 is about 52.3472810494.

Adding to 143444 its reverse (444341), we get a palindrome (587785).

The spelling of 143444 in words is "one hundred forty-three thousand, four hundred forty-four", and thus it is an iban number.