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142163 = 723883
BaseRepresentation
bin100010101101010011
321020000022
4202231103
514022123
63014055
71131320
oct425523
9236008
10142163
119789a
126a32b
134c928
1439b47
152c1c8
hex22b53

142163 has 8 divisors (see below), whose sum is σ = 169728. Its totient is φ = 116424.

The previous prime is 142159. The next prime is 142169. The reversal of 142163 is 361241.

142163 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 not a de Polignac number, because 142163 - 22 = 142159 is a prime.

It is an Ulam number.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 281 + ... + 602.

It is an arithmetic number, because the mean of its divisors is an integer number (21216).

2142163 is an apocalyptic number.

142163 is a deficient number, since it is larger than the sum of its proper divisors (27565).

142163 is an equidigital number, since it uses as much as digits as its factorization.

142163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913.

The product of its digits is 144, while the sum is 17.

The square root of 142163 is about 377.0450901417. The cubic root of 142163 is about 52.1909889859.

The spelling of 142163 in words is "one hundred forty-two thousand, one hundred sixty-three".

Divisors: 1 7 23 161 883 6181 20309 142163