142216888 has 32 divisors (see below), whose sum is σ = 293796720. Its totient is φ = 64000000.

The previous prime is 142216859. The next prime is 142216891. The reversal of 142216888 is 888612241.

It is a self number, because there is not a number n which added to its sum of digits gives 142216888.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 888 + ... + 16888.

Almost surely, 2^142216888 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 142216888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146898360).

142216888 is an abundant number, since it is smaller than the sum of its proper divisors (151579832).

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

142216888 is a wasteful number, since it uses less digits than its factorization.

142216888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16119 (or 16115 counting only the distinct ones).

The product of its digits is 49152, while the sum is 40.

The square root of 142216888 is about 11925.4722338363. The cubic root of 142216888 is about 521.9758262074.

The spelling of 142216888 in words is "one hundred forty-two million, two hundred sixteen thousand, eight hundred eighty-eight".