142871443 has 8 divisors (see below), whose sum is σ = 167849136. Its totient is φ = 119892000.

The previous prime is 142871441. The next prime is 142871447. The reversal of 142871443 is 344178241.

It is a happy number.

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 142871443 - 2¹ = 142871441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142871399 and 142871408.

It is not an unprimeable number, because it can be changed into a prime (142871441) 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, 499408 + ... + 499693.

It is an arithmetic number, because the mean of its divisors is an integer number (20981142).

Almost surely, 2^142871443 is an apocalyptic number.

142871443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

142871443 is a deficient number, since it is larger than the sum of its proper divisors (24977693).

142871443 is a wasteful number, since it uses less digits than its factorization.

142871443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999125.

The product of its digits is 21504, while the sum is 34.

The square root of 142871443 is about 11952.8842962692. The cubic root of 142871443 is about 522.7754008575.

The spelling of 142871443 in words is "one hundred forty-two million, eight hundred seventy-one thousand, four hundred forty-three".