142851 has 8 divisors (see below), whose sum is σ = 201744. Its totient is φ = 89600.

The previous prime is 142841. The next prime is 142867. The reversal of 142851 is 158241.

142851 is nontrivially palindromic in base 6.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142851 - 2⁶ = 142787 is a prime.

It is a zygodrome in base 7.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142851.

It is not an unprimeable number, because it can be changed into a prime (142811) by changing a digit.

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, 1350 + ... + 1451.

It is an arithmetic number, because the mean of its divisors is an integer number (25218).

2¹⁴²⁸⁵¹ is an apocalyptic number.

142851 is a deficient number, since it is larger than the sum of its proper divisors (58893).

142851 is a wasteful number, since it uses less digits than its factorization.

142851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2821.

The product of its digits is 320, while the sum is 21.

The square root of 142851 is about 377.9563466857. The cubic root of 142851 is about 52.2750465603.

The spelling of 142851 in words is "one hundred forty-two thousand, eight hundred fifty-one".