1142240240142 has 24 divisors (see below), whose sum is σ = 2474931587544. Its totient is φ = 380734787664.

The previous prime is 1142240240111. The next prime is 1142240240159. The reversal of 1142240240142 is 2410420422411.

1142240240142 is a `hidden beast` number, since 1 + 1 + 42 + 240 + 240 + 142 = 666.

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 11 ways as a sum of consecutive naturals, for example, 397873 + ... + 1562940.

It is an arithmetic number, because the mean of its divisors is an integer number (103122149481).

Almost surely, 2^{1142240240142} is an apocalyptic number.

1142240240142 is an abundant number, since it is smaller than the sum of its proper divisors (1332691347402).

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

1142240240142 is a wasteful number, since it uses less digits than its factorization.

1142240240142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993184 (or 1993181 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 1142240240142 its reverse (2410420422411), we get a palindrome (3552660662553).

The spelling of 1142240240142 in words is "one trillion, one hundred forty-two billion, two hundred forty million, two hundred forty thousand, one hundred forty-two".