142000688 has 20 divisors (see below), whose sum is σ = 275864040. Its totient is φ = 70809984.

The previous prime is 142000687. The next prime is 142000751. The reversal of 142000688 is 886000241.

It is a self number, because there is not a number n which added to its sum of digits gives 142000688.

It is not an unprimeable number, because it can be changed into a prime (142000687) 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 3 ways as a sum of consecutive naturals, for example, 5645 + ... + 17772.

It is an arithmetic number, because the mean of its divisors is an integer number (13793202).

Almost surely, 2^142000688 is an apocalyptic number.

It is an amenable number.

142000688 is a deficient number, since it is larger than the sum of its proper divisors (133863352).

142000688 is a wasteful number, since it uses less digits than its factorization.

142000688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23804 (or 23798 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 142000688 is about 11916.4041556167. The cubic root of 142000688 is about 521.7111872007.

The spelling of 142000688 in words is "one hundred forty-two million, six hundred eighty-eight", and thus it is an aban number.