142248 has 16 divisors (see below), whose sum is σ = 355680. Its totient is φ = 47408.

The previous prime is 142237. The next prime is 142271. The reversal of 142248 is 842241.

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

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 142248.

It is an unprimeable number.

142248 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2940 + ... + 2987.

It is an arithmetic number, because the mean of its divisors is an integer number (22230).

2¹⁴²²⁴⁸ is an apocalyptic number.

It is an amenable number.

142248 is an abundant number, since it is smaller than the sum of its proper divisors (213432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142248 is a wasteful number, since it uses less digits than its factorization.

142248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5936 (or 5932 counting only the distinct ones).

The product of its digits is 512, while the sum is 21.

The square root of 142248 is about 377.1577919121. The cubic root of 142248 is about 52.2013886684.

Adding to 142248 its reverse (842241), we get a palindrome (984489).

The spelling of 142248 in words is "one hundred forty-two thousand, two hundred forty-eight".