142080030 has 48 divisors (see below), whose sum is σ = 371311200. Its totient is φ = 37692864.

The previous prime is 142080023. The next prime is 142080053. The reversal of 142080030 is 30080241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142079985 and 142080012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13944 + ... + 21876.

It is an arithmetic number, because the mean of its divisors is an integer number (7735650).

Almost surely, 2^142080030 is an apocalyptic number.

142080030 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 142080030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185655600).

142080030 is an abundant number, since it is smaller than the sum of its proper divisors (229231170).

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

142080030 is a wasteful number, since it uses less digits than its factorization.

142080030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8145 (or 8142 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 142080030 is about 11919.7327990186. The cubic root of 142080030 is about 521.8083367346.

The spelling of 142080030 in words is "one hundred forty-two million, eighty thousand, thirty".