242445041 has 4 divisors (see below), whose sum is σ = 256706532. Its totient is φ = 228183552.

The previous prime is 242445037. The next prime is 242445043. The reversal of 242445041 is 140544242.

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 222159025 + 20286016 = 14905^2 + 4504^2 .

It is a cyclic number.

It is not a de Polignac number, because 242445041 - 2² = 242445037 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 242445041.

It is not an unprimeable number, because it can be changed into a prime (242445043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7130720 + ... + 7130753.

It is an arithmetic number, because the mean of its divisors is an integer number (64176633).

Almost surely, 2^242445041 is an apocalyptic number.

It is an amenable number.

242445041 is a deficient number, since it is larger than the sum of its proper divisors (14261491).

242445041 is a wasteful number, since it uses less digits than its factorization.

242445041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14261490.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 242445041 is about 15570.6467752627. The cubic root of 242445041 is about 623.5497390453.

Adding to 242445041 its reverse (140544242), we get a palindrome (382989283).

The spelling of 242445041 in words is "two hundred forty-two million, four hundred forty-five thousand, forty-one".