142786116 has 144 divisors (see below), whose sum is σ = 419223168. Its totient is φ = 40550400.

The previous prime is 142786109. The next prime is 142786117. The reversal of 142786116 is 611687241.

It is a happy number.

142786116 is a `hidden beast` number, since 14 + 27 + 8 + 611 + 6 = 666.

It is a super-3 number, since 3×142786116³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (142786117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 555460 + ... + 555716.

It is an arithmetic number, because the mean of its divisors is an integer number (2911272).

Almost surely, 2^142786116 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 142786116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209611584).

142786116 is an abundant number, since it is smaller than the sum of its proper divisors (276437052).

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

142786116 is a wasteful number, since it uses less digits than its factorization.

142786116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 357 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 142786116 is about 11949.3144573235. The cubic root of 142786116 is about 522.6713078846.

The spelling of 142786116 in words is "one hundred forty-two million, seven hundred eighty-six thousand, one hundred sixteen".