142240320342 has 24 divisors (see below), whose sum is σ = 321586812144. Its totient is φ = 45351986064.

The previous prime is 142240320301. The next prime is 142240320377. The reversal of 142240320342 is 243023042241.

142240320342 is a `hidden beast` number, since 14 + 2 + 2 + 403 + 203 + 42 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171787413 + ... + 171788240.

It is an arithmetic number, because the mean of its divisors is an integer number (13399450506).

Almost surely, 2^142240320342 is an apocalyptic number.

142240320342 is an abundant number, since it is smaller than the sum of its proper divisors (179346491802).

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

142240320342 is a wasteful number, since it uses less digits than its factorization.

142240320342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343575684 (or 343575681 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 142240320342 its reverse (243023042241), we get a palindrome (385263362583).

The spelling of 142240320342 in words is "one hundred forty-two billion, two hundred forty million, three hundred twenty thousand, three hundred forty-two".