245305341242015 has 4 divisors (see below), whose sum is σ = 294366409490424. Its totient is φ = 196244272993608.

The previous prime is 245305341241993. The next prime is 245305341242033. The reversal of 245305341242015 is 510242143503542.

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 245305341242015 - 2⁶ = 245305341241951 is a prime.

It is a super-2 number, since 2×245305341242015² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

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, 24530534124197 + ... + 24530534124206.

It is an arithmetic number, because the mean of its divisors is an integer number (73591602372606).

Almost surely, 2^{245305341242015} is an apocalyptic number.

245305341242015 is a deficient number, since it is larger than the sum of its proper divisors (49061068248409).

245305341242015 is an equidigital number, since it uses as much as digits as its factorization.

245305341242015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49061068248408.

The product of its (nonzero) digits is 576000, while the sum is 41.

Adding to 245305341242015 its reverse (510242143503542), we get a palindrome (755547484745557).

The spelling of 245305341242015 in words is "two hundred forty-five trillion, three hundred five billion, three hundred forty-one million, two hundred forty-two thousand, fifteen".