142112 has 12 divisors (see below), whose sum is σ = 279846. Its totient is φ = 71040.

The previous prime is 142111. The next prime is 142123. The reversal of 142112 is 211241.

It can be written as a sum of positive squares in only one way, i.e., 126736 + 15376 = 356^2 + 124^2 .

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 142093 and 142102.

It is not an unprimeable number, because it can be changed into a prime (142111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2189 + ... + 2252.

2¹⁴²¹¹² is an apocalyptic number.

It is an amenable number.

142112 is a deficient number, since it is larger than the sum of its proper divisors (137734).

142112 is an equidigital number, since it uses as much as digits as its factorization.

142112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4451 (or 4443 counting only the distinct ones).

The product of its digits is 16, while the sum is 11.

The square root of 142112 is about 376.9774529067. The cubic root of 142112 is about 52.1847471865.

Adding to 142112 its reverse (211241), we get a palindrome (353353).

The spelling of 142112 in words is "one hundred forty-two thousand, one hundred twelve", and thus it is an iban number.