142011112146 has 32 divisors (see below), whose sum is σ = 288305464320. Its totient is φ = 46623380496.

The previous prime is 142011112141. The next prime is 142011112211. The reversal of 142011112146 is 641211110241.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (142011112141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3034795 + ... + 3081233.

It is an arithmetic number, because the mean of its divisors is an integer number (9009545760).

Almost surely, 2^142011112146 is an apocalyptic number.

142011112146 is an abundant number, since it is smaller than the sum of its proper divisors (146294352174).

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

142011112146 is a wasteful number, since it uses less digits than its factorization.

142011112146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54118.

The product of its (nonzero) digits is 384, while the sum is 24.

Adding to 142011112146 its reverse (641211110241), we get a palindrome (783222222387).

The spelling of 142011112146 in words is "one hundred forty-two billion, eleven million, one hundred twelve thousand, one hundred forty-six".