242305542 has 48 divisors (see below), whose sum is σ = 541090368. Its totient is φ = 78330240.

The previous prime is 242305541. The next prime is 242305549. The reversal of 242305542 is 245503242.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242305541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78643 + ... + 81665.

It is an arithmetic number, because the mean of its divisors is an integer number (11272716).

Almost surely, 2^242305542 is an apocalyptic number.

242305542 is an abundant number, since it is smaller than the sum of its proper divisors (298784826).

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

242305542 is a wasteful number, since it uses less digits than its factorization.

242305542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3165 (or 3162 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 242305542 is about 15566.1665801186. The cubic root of 242305542 is about 623.4301225840.

Adding to 242305542 its reverse (245503242), we get a palindrome (487808784).

The spelling of 242305542 in words is "two hundred forty-two million, three hundred five thousand, five hundred forty-two".