242533745 has 4 divisors (see below), whose sum is σ = 291040500. Its totient is φ = 194026992.

The previous prime is 242533741. The next prime is 242533807. The reversal of 242533745 is 547335242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 169806961 + 72726784 = 13031^2 + 8528^2 .

It is a cyclic number.

It is not a de Polignac number, because 242533745 - 2² = 242533741 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (242533741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24253370 + ... + 24253379.

It is an arithmetic number, because the mean of its divisors is an integer number (72760125).

Almost surely, 2^242533745 is an apocalyptic number.

It is an amenable number.

242533745 is a deficient number, since it is larger than the sum of its proper divisors (48506755).

242533745 is an equidigital number, since it uses as much as digits as its factorization.

242533745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48506754.

The product of its digits is 100800, while the sum is 35.

The square root of 242533745 is about 15573.4949513589. The cubic root of 242533745 is about 623.6257763629.

Adding to 242533745 its reverse (547335242), we get a palindrome (789868987).

The spelling of 242533745 in words is "two hundred forty-two million, five hundred thirty-three thousand, seven hundred forty-five".