68600142 has 48 divisors (see below), whose sum is σ = 165095280. Its totient is φ = 21104928.

The previous prime is 68600141. The next prime is 68600159. The reversal of 68600142 is 24100686.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68600141) 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 23 ways as a sum of consecutive naturals, for example, 5368 + ... + 12884.

It is an arithmetic number, because the mean of its divisors is an integer number (3439485).

Almost surely, 2^68600142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68600142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82547640).

68600142 is an abundant number, since it is smaller than the sum of its proper divisors (96495138).

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

68600142 is a wasteful number, since it uses less digits than its factorization.

68600142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7554 (or 7535 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 68600142 is about 8282.5202686139. The cubic root of 68600142 is about 409.3627658057.

The spelling of 68600142 in words is "sixty-eight million, six hundred thousand, one hundred forty-two".