230143142 has 16 divisors (see below), whose sum is σ = 349758000. Its totient is φ = 113562240.

The previous prime is 230143141. The next prime is 230143169. The reversal of 230143142 is 241341032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230143141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134609 + ... + 136307.

It is an arithmetic number, because the mean of its divisors is an integer number (21859875).

Almost surely, 2^230143142 is an apocalyptic number.

230143142 is a deficient number, since it is larger than the sum of its proper divisors (119614858).

230143142 is a wasteful number, since it uses less digits than its factorization.

230143142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 230143142 is about 15170.4694060533. The cubic root of 230143142 is about 612.8196455689.

Adding to 230143142 its reverse (241341032), we get a palindrome (471484174).

The spelling of 230143142 in words is "two hundred thirty million, one hundred forty-three thousand, one hundred forty-two".