142763 has 4 divisors (see below), whose sum is σ = 143520. Its totient is φ = 142008.

The previous prime is 142759. The next prime is 142771. The reversal of 142763 is 367241.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 142763 - 2² = 142759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142733) 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, 173 + ... + 561.

It is an arithmetic number, because the mean of its divisors is an integer number (35880).

2¹⁴²⁷⁶³ is an apocalyptic number.

142763 is a deficient number, since it is larger than the sum of its proper divisors (757).

142763 is an equidigital number, since it uses as much as digits as its factorization.

142763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756.

The product of its digits is 1008, while the sum is 23.

The square root of 142763 is about 377.8399131908. The cubic root of 142763 is about 52.2643100842.

The spelling of 142763 in words is "one hundred forty-two thousand, seven hundred sixty-three".