142517687816 has 64 divisors (see below), whose sum is σ = 311414388480. Its totient is φ = 59886892800.

The previous prime is 142517687779. The next prime is 142517687827. The reversal of 142517687816 is 618786715241.

It is a super-2 number, since 2×142517687816² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460250 + ... + 704886.

It is an arithmetic number, because the mean of its divisors is an integer number (4865849820).

Almost surely, 2^142517687816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142517687816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155707194240).

142517687816 is an abundant number, since it is smaller than the sum of its proper divisors (168896700664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142517687816 is a wasteful number, since it uses less digits than its factorization.

142517687816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244854 (or 244850 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 56.

The spelling of 142517687816 in words is "one hundred forty-two billion, five hundred seventeen million, six hundred eighty-seven thousand, eight hundred sixteen".