142112235240 has 80 divisors (see below), whose sum is σ = 477655023780. Its totient is φ = 37896595200.

The previous prime is 142112235169. The next prime is 142112235263. The reversal of 142112235240 is 42532211241.

142112235240 is a `hidden beast` number, since 1 + 4 + 2 + 112 + 23 + 524 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 141621258276 + 490976964 = 376326^2 + 22158^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 21927661 + ... + 21934140.

Almost surely, 2^142112235240 is an apocalyptic number.

142112235240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142112235240 is an abundant number, since it is smaller than the sum of its proper divisors (335542788540).

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

142112235240 is a wasteful number, since it uses less digits than its factorization.

142112235240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43861824 (or 43861811 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 142112235240 its reverse (42532211241), we get a palindrome (184644446481).

The spelling of 142112235240 in words is "one hundred forty-two billion, one hundred twelve million, two hundred thirty-five thousand, two hundred forty".