142167 has 4 divisors (see below), whose sum is σ = 189560. Its totient is φ = 94776.

The previous prime is 142159. The next prime is 142169. The reversal of 142167 is 761241.

142167 is nontrivially palindromic in base 6.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 142167 - 2³ = 142159 is a prime.

It is a super-2 number, since 2×142167² = 40422911778, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142167.

It is not an unprimeable number, because it can be changed into a prime (142169) 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, 23692 + ... + 23697.

It is an arithmetic number, because the mean of its divisors is an integer number (47390).

2¹⁴²¹⁶⁷ is an apocalyptic number.

142167 is a deficient number, since it is larger than the sum of its proper divisors (47393).

142167 is an equidigital number, since it uses as much as digits as its factorization.

142167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47392.

The product of its digits is 336, while the sum is 21.

The square root of 142167 is about 377.0503945098. The cubic root of 142167 is about 52.1914784757.

The spelling of 142167 in words is "one hundred forty-two thousand, one hundred sixty-seven".