242523745 has 8 divisors (see below), whose sum is σ = 292506984. Its totient is φ = 193033344.

The previous prime is 242523679. The next prime is 242523773. The reversal of 242523745 is 547325242.

It can be written as a sum of positive squares in 4 ways, for example, as 34904464 + 207619281 = 5908^2 + 14409^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242523745 - 2¹⁷ = 242392673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242523745.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122124 + ... + 124093.

It is an arithmetic number, because the mean of its divisors is an integer number (36563373).

Almost surely, 2^242523745 is an apocalyptic number.

It is an amenable number.

242523745 is a deficient number, since it is larger than the sum of its proper divisors (49983239).

242523745 is a wasteful number, since it uses less digits than its factorization.

242523745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246419.

The product of its digits is 67200, while the sum is 34.

The square root of 242523745 is about 15573.1738897374. The cubic root of 242523745 is about 623.6172052622.

Adding to 242523745 its reverse (547325242), we get a palindrome (789848987).

The spelling of 242523745 in words is "two hundred forty-two million, five hundred twenty-three thousand, seven hundred forty-five".