143688 has 16 divisors (see below), whose sum is σ = 359280. Its totient is φ = 47888.

The previous prime is 143687. The next prime is 143699. The reversal of 143688 is 886341.

It is a happy number.

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 (143687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2970 + ... + 3017.

It is an arithmetic number, because the mean of its divisors is an integer number (22455).

2¹⁴³⁶⁸⁸ is an apocalyptic number.

It is an amenable number.

143688 is an abundant number, since it is smaller than the sum of its proper divisors (215592).

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

143688 is a wasteful number, since it uses less digits than its factorization.

143688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5996 (or 5992 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 143688 is about 379.0620002058. The cubic root of 143688 is about 52.3769453579.

The spelling of 143688 in words is "one hundred forty-three thousand, six hundred eighty-eight".