83805442142 has 8 divisors (see below), whose sum is σ = 125711229576. Its totient is φ = 41901698952.

The previous prime is 83805442141. The next prime is 83805442159. The reversal of 83805442142 is 24124450838.

It is a happy number.

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

It is a super-2 number, since 2×83805442142² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83805442142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83805442141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404093 + ... + 575240.

It is an arithmetic number, because the mean of its divisors is an integer number (15713903697).

Almost surely, 2^83805442142 is an apocalyptic number.

83805442142 is a deficient number, since it is larger than the sum of its proper divisors (41905787434).

83805442142 is a wasteful number, since it uses less digits than its factorization.

83805442142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022122.

The product of its (nonzero) digits is 245760, while the sum is 41.

The spelling of 83805442142 in words is "eighty-three billion, eight hundred five million, four hundred forty-two thousand, one hundred forty-two".