142886688 has 192 divisors, whose sum is σ = 467066880. Its totient is φ = 37428480.

The previous prime is 142886687. The next prime is 142886701. The reversal of 142886688 is 886688241.

142886688 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 142886688.

It is not an unprimeable number, because it can be changed into a prime (142886687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4609233 + ... + 4609263.

It is an arithmetic number, because the mean of its divisors is an integer number (2432640).

Almost surely, 2^142886688 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 142886688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233533440).

142886688 is an abundant number, since it is smaller than the sum of its proper divisors (324180192).

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

142886688 is an equidigital number, since it uses as much as digits as its factorization.

142886688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 62 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 51.

The square root of 142886688 is about 11953.5219914467. The cubic root of 142886688 is about 522.7939943272.

The spelling of 142886688 in words is "one hundred forty-two million, eight hundred eighty-six thousand, six hundred eighty-eight".