142320030 has 16 divisors (see below), whose sum is σ = 341568144. Its totient is φ = 37952000.

The previous prime is 142320011. The next prime is 142320041. The reversal of 142320030 is 30023241.

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

It is a junction number, because it is equal to n+sod(n) for n = 142319991 and 142320009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2371971 + ... + 2372030.

It is an arithmetic number, because the mean of its divisors is an integer number (21348009).

Almost surely, 2^142320030 is an apocalyptic number.

142320030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142320030 is an abundant number, since it is smaller than the sum of its proper divisors (199248114).

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

142320030 is a wasteful number, since it uses less digits than its factorization.

142320030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4744011.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 142320030 is about 11929.7958909614. The cubic root of 142320030 is about 522.1019823940.

Adding to 142320030 its reverse (30023241), we get a palindrome (172343271).

The spelling of 142320030 in words is "one hundred forty-two million, three hundred twenty thousand, thirty".