142242618817 has 8 divisors (see below), whose sum is σ = 153201303080. Its totient is φ = 131286355200.

The previous prime is 142242618779. The next prime is 142242618821. The reversal of 142242618817 is 718816242241.

It can be written as a sum of positive squares in 4 ways, for example, as 5022081 + 142237596736 = 2241^2 + 377144^2 .

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

It is not a de Polignac number, because 142242618817 - 2³⁵ = 107882880449 is a prime.

It is a super-3 number, since 3×142242618817³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142242618517) 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, 482184 + ... + 719017.

It is an arithmetic number, because the mean of its divisors is an integer number (19150162885).

Almost surely, 2^142242618817 is an apocalyptic number.

It is an amenable number.

142242618817 is a deficient number, since it is larger than the sum of its proper divisors (10958684263).

142242618817 is a wasteful number, since it uses less digits than its factorization.

142242618817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210323.

The product of its digits is 344064, while the sum is 46.

The spelling of 142242618817 in words is "one hundred forty-two billion, two hundred forty-two million, six hundred eighteen thousand, eight hundred seventeen".