142830330 has 64 divisors (see below), whose sum is σ = 357350400. Its totient is φ = 36495360.

The previous prime is 142830313. The next prime is 142830349. The reversal of 142830330 is 33038241.

142830330 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 142830330.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100666 + ... + 102074.

It is an arithmetic number, because the mean of its divisors is an integer number (5583600).

Almost surely, 2^142830330 is an apocalyptic number.

142830330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142830330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178675200).

142830330 is an abundant number, since it is smaller than the sum of its proper divisors (214520070).

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

142830330 is a wasteful number, since it uses less digits than its factorization.

142830330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 142830330 is about 11951.1643784194. The cubic root of 142830330 is about 522.7252510479.

Adding to 142830330 its reverse (33038241), we get a palindrome (175868571).

The spelling of 142830330 in words is "one hundred forty-two million, eight hundred thirty thousand, three hundred thirty".