142420241134242 has 24 divisors (see below), whose sum is σ = 308578139124060. Its totient is φ = 47473267557600.

The previous prime is 142420241134229. The next prime is 142420241134267. The reversal of 142420241134242 is 242431142024241.

142420241134242 is a `hidden beast` number, since 1 + 4 + 2 + 4 + 202 + 411 + 34 + 2 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 140828276017881 + 1591965116361 = 11867109^2 + 1261731^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142420241134197 and 142420241134206.

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, 6088009 + ... + 17941692.

Almost surely, 2^{142420241134242} is an apocalyptic number.

142420241134242 is an abundant number, since it is smaller than the sum of its proper divisors (166157897989818).

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

142420241134242 is a wasteful number, since it uses less digits than its factorization.

142420241134242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24358978 (or 24358975 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 36.

Adding to 142420241134242 its reverse (242431142024241), we get a palindrome (384851383158483).

The spelling of 142420241134242 in words is "one hundred forty-two trillion, four hundred twenty billion, two hundred forty-one million, one hundred thirty-four thousand, two hundred forty-two".