142667 has 8 divisors (see below), whose sum is σ = 165600. Its totient is φ = 120384.

The previous prime is 142657. The next prime is 142673. The reversal of 142667 is 766241.

142667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142667 - 2¹² = 138571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509 + ... + 737.

It is an arithmetic number, because the mean of its divisors is an integer number (20700).

2¹⁴²⁶⁶⁷ is an apocalyptic number.

142667 is a deficient number, since it is larger than the sum of its proper divisors (22933).

142667 is an equidigital number, since it uses as much as digits as its factorization.

142667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325.

The product of its digits is 2016, while the sum is 26.

The square root of 142667 is about 377.7128538983. The cubic root of 142667 is about 52.2525925318.

The spelling of 142667 in words is "one hundred forty-two thousand, six hundred sixty-seven".