142311230 has 16 divisors (see below), whose sum is σ = 256364784. Its totient is φ = 56879040.

The previous prime is 142311203. The next prime is 142311259. The reversal of 142311230 is 32113241.

It is a super-2 number, since 2×142311230² = 40504972368225800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142311199 and 142311208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9365 + ... + 19295.

It is an arithmetic number, because the mean of its divisors is an integer number (16022799).

Almost surely, 2^142311230 is an apocalyptic number.

142311230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142311230 is a deficient number, since it is larger than the sum of its proper divisors (114053554).

142311230 is a wasteful number, since it uses less digits than its factorization.

142311230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11371.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 142311230 is about 11929.4270608441. The cubic root of 142311230 is about 522.0912212192.

Adding to 142311230 its reverse (32113241), we get a palindrome (174424471).

The spelling of 142311230 in words is "one hundred forty-two million, three hundred eleven thousand, two hundred thirty".