142244 has 12 divisors (see below), whose sum is σ = 255024. Its totient is φ = 69384.

The previous prime is 142237. The next prime is 142271. The reversal of 142244 is 442241.

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142244.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242 + ... + 585.

It is an arithmetic number, because the mean of its divisors is an integer number (21252).

2¹⁴²²⁴⁴ is an apocalyptic number.

It is an amenable number.

142244 is a deficient number, since it is larger than the sum of its proper divisors (112780).

142244 is a wasteful number, since it uses less digits than its factorization.

142244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874 (or 872 counting only the distinct ones).

The product of its digits is 256, while the sum is 17.

The square root of 142244 is about 377.1524890545. The cubic root of 142244 is about 52.2008993645.

Adding to 142244 its reverse (442241), we get a palindrome (584485).

The spelling of 142244 in words is "one hundred forty-two thousand, two hundred forty-four", and thus it is an iban number.