142246 has 8 divisors (see below), whose sum is σ = 229824. Its totient is φ = 65640.

The previous prime is 142237. The next prime is 142271. The reversal of 142246 is 642241.

142246 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 an Ulam number.

It is a congruent number.

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, 2710 + ... + 2761.

It is an arithmetic number, because the mean of its divisors is an integer number (28728).

2¹⁴²²⁴⁶ is an apocalyptic number.

142246 is a deficient number, since it is larger than the sum of its proper divisors (87578).

142246 is a wasteful number, since it uses less digits than its factorization.

142246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5486.

The product of its digits is 384, while the sum is 19.

The square root of 142246 is about 377.1551404926. The cubic root of 142246 is about 52.2011440176.

Adding to 142246 its reverse (642241), we get a palindrome (784487).

The spelling of 142246 in words is "one hundred forty-two thousand, two hundred forty-six".