242534556 has 72 divisors (see below), whose sum is σ = 686924784. Its totient is φ = 71504640.

The previous prime is 242534533. The next prime is 242534561. The reversal of 242534556 is 655435242.

242534556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 242534556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6376 + ... + 22928.

It is an arithmetic number, because the mean of its divisors is an integer number (9540622).

Almost surely, 2^242534556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242534556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343462392).

242534556 is an abundant number, since it is smaller than the sum of its proper divisors (444390228).

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

242534556 is a wasteful number, since it uses less digits than its factorization.

242534556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16611 (or 16606 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 242534556 is about 15573.5209891662. The cubic root of 242534556 is about 623.6264714689.

Adding to 242534556 its reverse (655435242), we get a palindrome (897969798).

The spelling of 242534556 in words is "two hundred forty-two million, five hundred thirty-four thousand, five hundred fifty-six".