142872851 has 8 divisors (see below), whose sum is σ = 156356784. Its totient is φ = 129471520.

The previous prime is 142872839. The next prime is 142872853. The reversal of 142872851 is 158278241.

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 142872851 - 2⁶ = 142872787 is a prime.

It is a super-3 number, since 3×142872851³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142872853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17000 + ... + 23973.

It is an arithmetic number, because the mean of its divisors is an integer number (19544598).

Almost surely, 2^142872851 is an apocalyptic number.

142872851 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142872851 is a deficient number, since it is larger than the sum of its proper divisors (13483933).

142872851 is a wasteful number, since it uses less digits than its factorization.

142872851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41301.

The product of its digits is 35840, while the sum is 38.

The square root of 142872851 is about 11952.9431940422. The cubic root of 142872851 is about 522.7771181714. Note that the first 3 decimals are identical.

The spelling of 142872851 in words is "one hundred forty-two million, eight hundred seventy-two thousand, eight hundred fifty-one".