142900030 has 64 divisors (see below), whose sum is σ = 318181248. Its totient is φ = 44997120.

The previous prime is 142900027. The next prime is 142900033. The reversal of 142900030 is 30009241.

142900030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142900027) and next prime (142900033).

It is a junction number, because it is equal to n+sod(n) for n = 142899980 and 142900007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142900033) 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, 339220 + ... + 339640.

It is an arithmetic number, because the mean of its divisors is an integer number (4971582).

Almost surely, 2^142900030 is an apocalyptic number.

142900030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142900030 is an abundant number, since it is smaller than the sum of its proper divisors (175281218).

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

142900030 is a wasteful number, since it uses less digits than its factorization.

142900030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 142900030 is about 11954.0800566167. The cubic root of 142900030 is about 522.8102657296.

Adding to 142900030 its reverse (30009241), we get a palindrome (172909271).

The spelling of 142900030 in words is "one hundred forty-two million, nine hundred thousand, thirty".