142402411242 has 216 divisors, whose sum is σ = 411513339276. Its totient is φ = 35346834432.

The previous prime is 142402411237. The next prime is 142402411243. The reversal of 142402411242 is 242114204241.

142402411242 is a `hidden beast` number, since 1 + 4 + 2 + 4 + 0 + 2 + 411 + 242 = 666.

142402411242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 5005421001 + 137396990241 = 70749^2 + 370671^2 .

It is not an unprimeable number, because it can be changed into a prime (142402411243) by changing a digit.

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 107 ways as a sum of consecutive naturals, for example, 2505888 + ... + 2562084.

Almost surely, 2^142402411242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142402411242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205756669638).

142402411242 is an abundant number, since it is smaller than the sum of its proper divisors (269110928034).

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

142402411242 is a wasteful number, since it uses less digits than its factorization.

142402411242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56262 (or 56239 counting only the distinct ones).

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

Adding to 142402411242 its reverse (242114204241), we get a palindrome (384516615483).

The spelling of 142402411242 in words is "one hundred forty-two billion, four hundred two million, four hundred eleven thousand, two hundred forty-two".