142863117 has 8 divisors (see below), whose sum is σ = 193093824. Its totient is φ = 93937248.

The previous prime is 142863107. The next prime is 142863151. The reversal of 142863117 is 711368241.

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

It is not a de Polignac number, because 142863117 - 2⁴ = 142863101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142863107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325953 + ... + 326390.

It is an arithmetic number, because the mean of its divisors is an integer number (24136728).

Almost surely, 2^142863117 is an apocalyptic number.

It is an amenable number.

142863117 is a deficient number, since it is larger than the sum of its proper divisors (50230707).

142863117 is an equidigital number, since it uses as much as digits as its factorization.

142863117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652419.

The product of its digits is 8064, while the sum is 33.

The square root of 142863117 is about 11952.5360070572. The cubic root of 142863117 is about 522.7652455448.

The spelling of 142863117 in words is "one hundred forty-two million, eight hundred sixty-three thousand, one hundred seventeen".