241245111205445 has 4 divisors (see below), whose sum is σ = 289494133446540. Its totient is φ = 192996088964352.

The previous prime is 241245111205333. The next prime is 241245111205447. The reversal of 241245111205445 is 544502111542142.

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 136172422458436 + 105072688747009 = 11669294^2 + 10250497^2 .

It is a cyclic number.

It is not a de Polignac number, because 241245111205445 - 2²² = 241245107011141 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241245111205447) 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, 24124511120540 + ... + 24124511120549.

It is an arithmetic number, because the mean of its divisors is an integer number (72373533361635).

Almost surely, 2^{241245111205445} is an apocalyptic number.

It is an amenable number.

241245111205445 is a deficient number, since it is larger than the sum of its proper divisors (48249022241095).

241245111205445 is an equidigital number, since it uses as much as digits as its factorization.

241245111205445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48249022241094.

The product of its (nonzero) digits is 256000, while the sum is 41.

Adding to 241245111205445 its reverse (544502111542142), we get a palindrome (785747222747587).

The spelling of 241245111205445 in words is "two hundred forty-one trillion, two hundred forty-five billion, one hundred eleven million, two hundred five thousand, four hundred forty-five".