245041222352015 has 4 divisors (see below), whose sum is σ = 294049466822424. Its totient is φ = 196032977881608.

The previous prime is 245041222351987. The next prime is 245041222352029. The reversal of 245041222352015 is 510253222140542.

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

It is a cyclic number.

It is not a de Polignac number, because 245041222352015 - 2⁸ = 245041222351759 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 245041222352015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24504122235197 + ... + 24504122235206.

It is an arithmetic number, because the mean of its divisors is an integer number (73512366705606).

Almost surely, 2^{245041222352015} is an apocalyptic number.

245041222352015 is a deficient number, since it is larger than the sum of its proper divisors (49008244470409).

245041222352015 is an equidigital number, since it uses as much as digits as its factorization.

245041222352015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49008244470408.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 245041222352015 its reverse (510253222140542), we get a palindrome (755294444492557).

The spelling of 245041222352015 in words is "two hundred forty-five trillion, forty-one billion, two hundred twenty-two million, three hundred fifty-two thousand, fifteen".