242142303546 has 96 divisors (see below), whose sum is σ = 617756473152. Its totient is φ = 67578900480.

The previous prime is 242142303539. The next prime is 242142303547. The reversal of 242142303546 is 645303241242.

242142303546 is a `hidden beast` number, since 2 + 42 + 1 + 42 + 30 + 3 + 546 = 666.

242142303546 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 242142303546.

It is not an unprimeable number, because it can be changed into a prime (242142303547) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1034106 + ... + 1246458.

It is an arithmetic number, because the mean of its divisors is an integer number (6434963262).

Almost surely, 2^242142303546 is an apocalyptic number.

242142303546 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 242142303546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308878236576).

242142303546 is an abundant number, since it is smaller than the sum of its proper divisors (375614169606).

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

242142303546 is a wasteful number, since it uses less digits than its factorization.

242142303546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212828 (or 212825 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 242142303546 its reverse (645303241242), we get a palindrome (887445544788).

The spelling of 242142303546 in words is "two hundred forty-two billion, one hundred forty-two million, three hundred three thousand, five hundred forty-six".