142663 has 4 divisors (see below), whose sum is σ = 143640. Its totient is φ = 141688.

The previous prime is 142657. The next prime is 142673. The reversal of 142663 is 366241.

142663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 142663 - 2⁹ = 142151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142673) 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, 220 + ... + 577.

It is an arithmetic number, because the mean of its divisors is an integer number (35910).

2¹⁴²⁶⁶³ is an apocalyptic number.

142663 is a deficient number, since it is larger than the sum of its proper divisors (977).

142663 is an equidigital number, since it uses as much as digits as its factorization.

142663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976.

The product of its digits is 864, while the sum is 22.

The square root of 142663 is about 377.7075588336. The cubic root of 142663 is about 52.2521041864.

The spelling of 142663 in words is "one hundred forty-two thousand, six hundred sixty-three".