142530000 has 100 divisors (see below), whose sum is σ = 460202688. Its totient is φ = 38000000.

The previous prime is 142529999. The next prime is 142530049. The reversal of 142530000 is 35241.

142530000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27625 + ... + 32375.

Almost surely, 2^142530000 is an apocalyptic number.

142530000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142530000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230101344).

142530000 is an abundant number, since it is smaller than the sum of its proper divisors (317672688).

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

142530000 is an equidigital number, since it uses as much as digits as its factorization.

142530000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4782 (or 4761 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 142530000 is about 11938.5928819103. The cubic root of 142530000 is about 522.3586150121.

Adding to 142530000 its reverse (35241), we get a palindrome (142565241).

The spelling of 142530000 in words is "one hundred forty-two million, five hundred thirty thousand".