142002030 has 16 divisors (see below), whose sum is σ = 340804944. Its totient is φ = 37867200.

The previous prime is 142002019. The next prime is 142002031. The reversal of 142002030 is 30200241.

It is a junction number, because it is equal to n+sod(n) for n = 142001997 and 142002015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142002031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2366671 + ... + 2366730.

It is an arithmetic number, because the mean of its divisors is an integer number (21300309).

Almost surely, 2^142002030 is an apocalyptic number.

142002030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142002030 is an abundant number, since it is smaller than the sum of its proper divisors (198802914).

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

142002030 is a wasteful number, since it uses less digits than its factorization.

142002030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4733411.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 142002030 is about 11916.4604644164. The cubic root of 142002030 is about 521.7128307003.

Adding to 142002030 its reverse (30200241), we get a palindrome (172202271).

The spelling of 142002030 in words is "one hundred forty-two million, two thousand, thirty".