142854 has 16 divisors (see below), whose sum is σ = 295920. Its totient is φ = 45920.

The previous prime is 142841. The next prime is 142867. The reversal of 142854 is 458241.

It is an interprime number because it is at equal distance from previous prime (142841) and next prime (142867).

It is a Curzon number.

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 142854.

It is an unprimeable number.

142854 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237 + ... + 584.

It is an arithmetic number, because the mean of its divisors is an integer number (18495).

2¹⁴²⁸⁵⁴ is an apocalyptic number.

142854 is an abundant number, since it is smaller than the sum of its proper divisors (153066).

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

142854 is a wasteful number, since it uses less digits than its factorization.

142854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855.

The product of its digits is 1280, while the sum is 24.

The square root of 142854 is about 377.9603153772. The cubic root of 142854 is about 52.2754124988.

The spelling of 142854 in words is "one hundred forty-two thousand, eight hundred fifty-four".