142768 has 10 divisors (see below), whose sum is σ = 276644. Its totient is φ = 71376.

The previous prime is 142759. The next prime is 142771. The reversal of 142768 is 867241.

It is an unprimeable number.

142768 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4446 + ... + 4477.

2¹⁴²⁷⁶⁸ is an apocalyptic number.

It is an amenable number.

142768 is a deficient number, since it is larger than the sum of its proper divisors (133876).

142768 is an equidigital number, since it uses as much as digits as its factorization.

142768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8931 (or 8925 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 142768 is about 377.8465296916. The cubic root of 142768 is about 52.2649202295.

The spelling of 142768 in words is "one hundred forty-two thousand, seven hundred sixty-eight".