142429868 has 36 divisors (see below), whose sum is σ = 295438752. Its totient is φ = 59885280.

The previous prime is 142429867. The next prime is 142429879. The reversal of 142429868 is 868924241.

It is not an unprimeable number, because it can be changed into a prime (142429867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3533 + ... + 17243.

It is an arithmetic number, because the mean of its divisors is an integer number (8206632).

Almost surely, 2^142429868 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 142429868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147719376).

142429868 is an abundant number, since it is smaller than the sum of its proper divisors (153008884).

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

142429868 is a wasteful number, since it uses less digits than its factorization.

142429868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13782 (or 13773 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The square root of 142429868 is about 11934.3985185681. The cubic root of 142429868 is about 522.2362616684.

The spelling of 142429868 in words is "one hundred forty-two million, four hundred twenty-nine thousand, eight hundred sixty-eight".