143388 has 36 divisors (see below), whose sum is σ = 414960. Its totient is φ = 40896.

The previous prime is 143387. The next prime is 143401. The reversal of 143388 is 883341.

143388 is nontrivially palindromic in base 8.

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

It is a super-3 number, since 3×143388³ = 8844222833361216, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143387) 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, 33 + ... + 536.

2¹⁴³³⁸⁸ is an apocalyptic number.

143388 is a gapful number since it is divisible by the number (18) 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 143388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207480).

143388 is an abundant number, since it is smaller than the sum of its proper divisors (271572).

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

143388 is a wasteful number, since it uses less digits than its factorization.

143388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586 (or 581 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 143388 is about 378.6660798118. Note that the first 3 decimals coincide. The cubic root of 143388 is about 52.3404681019.

It can be divided in two parts, 1433 and 88, that added together give a square (1521 = 39²).

The spelling of 143388 in words is "one hundred forty-three thousand, three hundred eighty-eight".