142242618815 has 8 divisors (see below), whose sum is σ = 186208519248. Its totient is φ = 103449177280.

The previous prime is 142242618779. The next prime is 142242618821. The reversal of 142242618815 is 518816242241.

It is a happy number.

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

It is not a de Polignac number, because 142242618815 - 2¹⁰ = 142242617791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1293114662 + ... + 1293114771.

It is an arithmetic number, because the mean of its divisors is an integer number (23276064906).

Almost surely, 2^142242618815 is an apocalyptic number.

142242618815 is a deficient number, since it is larger than the sum of its proper divisors (43965900433).

142242618815 is a wasteful number, since it uses less digits than its factorization.

142242618815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586229449.

The product of its digits is 245760, while the sum is 44.

The spelling of 142242618815 in words is "one hundred forty-two billion, two hundred forty-two million, six hundred eighteen thousand, eight hundred fifteen".