30230142 has 16 divisors (see below), whose sum is σ = 63089280. Its totient is φ = 9638552.

The previous prime is 30230141. The next prime is 30230153. The reversal of 30230142 is 24103203.

It is a super-2 number, since 2×30230142² = 1827722970680328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30230141) 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, 109392 + ... + 109667.

It is an arithmetic number, because the mean of its divisors is an integer number (3943080).

Almost surely, 2^30230142 is an apocalyptic number.

30230142 is an abundant number, since it is smaller than the sum of its proper divisors (32859138).

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

30230142 is a wasteful number, since it uses less digits than its factorization.

30230142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219087.

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

The square root of 30230142 is about 5498.1944309018. The cubic root of 30230142 is about 311.5157881943.

Adding to 30230142 its reverse (24103203), we get a palindrome (54333345).

The spelling of 30230142 in words is "thirty million, two hundred thirty thousand, one hundred forty-two".