142871183 has 32 divisors (see below), whose sum is σ = 182044800. Its totient is φ = 109117440.

The previous prime is 142871167. The next prime is 142871207. The reversal of 142871183 is 381178241.

It is a cyclic number.

It is not a de Polignac number, because 142871183 - 2⁴ = 142871167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142871123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 555791 + ... + 556047.

It is an arithmetic number, because the mean of its divisors is an integer number (5688900).

Almost surely, 2^142871183 is an apocalyptic number.

142871183 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

142871183 is a deficient number, since it is larger than the sum of its proper divisors (39173617).

142871183 is a wasteful number, since it uses less digits than its factorization.

142871183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467.

The product of its digits is 10752, while the sum is 35.

The square root of 142871183 is about 11952.8734202283. The cubic root of 142871183 is about 522.7750837387.

The spelling of 142871183 in words is "one hundred forty-two million, eight hundred seventy-one thousand, one hundred eighty-three".