142144 has 14 divisors (see below), whose sum is σ = 282194. Its totient is φ = 71040.

The previous prime is 142123. The next prime is 142151. The reversal of 142144 is 441241.

It can be written as a sum of positive squares in only one way, i.e., 129600 + 12544 = 360^2 + 112^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1047 + ... + 1174.

2¹⁴²¹⁴⁴ is an apocalyptic number.

It is an amenable number.

142144 is a deficient number, since it is larger than the sum of its proper divisors (140050).

142144 is an equidigital number, since it uses as much as digits as its factorization.

142144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233 (or 2223 counting only the distinct ones).

The product of its digits is 128, while the sum is 16.

The square root of 142144 is about 377.0198933743. The cubic root of 142144 is about 52.1886637842.

Adding to 142144 its reverse (441241), we get a palindrome (583385).

The spelling of 142144 in words is "one hundred forty-two thousand, one hundred forty-four", and thus it is an iban number.