142684 has 6 divisors (see below), whose sum is σ = 249704. Its totient is φ = 71340.

The previous prime is 142673. The next prime is 142697. The reversal of 142684 is 486241.

142684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

142684 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 as a sum of consecutive naturals, namely, 17832 + ... + 17839.

2¹⁴²⁶⁸⁴ is an apocalyptic number.

It is an amenable number.

142684 is a deficient number, since it is larger than the sum of its proper divisors (107020).

142684 is a wasteful number, since it uses less digits than its factorization.

142684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35675 (or 35673 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 142684 is about 377.7353570954. The cubic root of 142684 is about 52.2546678979.

The spelling of 142684 in words is "one hundred forty-two thousand, six hundred eighty-four".