242489572 has 24 divisors (see below), whose sum is σ = 459035136. Its totient is φ = 111419808.

The previous prime is 242489557. The next prime is 242489573. The reversal of 242489572 is 275984242.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (242489573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1533 + ... + 22075.

It is an arithmetic number, because the mean of its divisors is an integer number (19126464).

Almost surely, 2^242489572 is an apocalyptic number.

It is an amenable number.

242489572 is a deficient number, since it is larger than the sum of its proper divisors (216545564).

242489572 is a wasteful number, since it uses less digits than its factorization.

242489572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20787 (or 20785 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 242489572 is about 15572.0766758965. The cubic root of 242489572 is about 623.5879134613.

The spelling of 242489572 in words is "two hundred forty-two million, four hundred eighty-nine thousand, five hundred seventy-two".