142870143 has 8 divisors (see below), whose sum is σ = 205146928. Its totient is φ = 87920064.

The previous prime is 142870129. The next prime is 142870171. The reversal of 142870143 is 341078241.

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

It is not a de Polignac number, because 142870143 - 2⁴ = 142870127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142870143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142870243) 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, 1831630 + ... + 1831707.

It is an arithmetic number, because the mean of its divisors is an integer number (25643366).

Almost surely, 2^142870143 is an apocalyptic number.

142870143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

142870143 is a deficient number, since it is larger than the sum of its proper divisors (62276785).

142870143 is a wasteful number, since it uses less digits than its factorization.

142870143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3663353.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 142870143 is about 11952.8299159655. The cubic root of 142870143 is about 522.7738152594.

The spelling of 142870143 in words is "one hundred forty-two million, eight hundred seventy thousand, one hundred forty-three".