143768 has 8 divisors (see below), whose sum is σ = 269580. Its totient is φ = 71880.

The previous prime is 143743. The next prime is 143779. The reversal of 143768 is 867341.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 143768.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8978 + ... + 8993.

2¹⁴³⁷⁶⁸ is an apocalyptic number.

It is an amenable number.

143768 is a deficient number, since it is larger than the sum of its proper divisors (125812).

143768 is a wasteful number, since it uses less digits than its factorization.

143768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17977 (or 17973 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 143768 is about 379.1675091566. The cubic root of 143768 is about 52.3866640499.

The spelling of 143768 in words is "one hundred forty-three thousand, seven hundred sixty-eight".