245615441065 has 8 divisors (see below), whose sum is σ = 300299633928. Its totient is φ = 192784949760.

The previous prime is 245615441021. The next prime is 245615441107. The reversal of 245615441065 is 560144516542.

It can be written as a sum of positive squares in 4 ways, for example, as 22645434256 + 222970006809 = 150484^2 + 472197^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 245615441065 - 2⁷ = 245615440937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463425096 + ... + 463425625.

It is an arithmetic number, because the mean of its divisors is an integer number (37537454241).

Almost surely, 2^245615441065 is an apocalyptic number.

It is an amenable number.

245615441065 is a deficient number, since it is larger than the sum of its proper divisors (54684192863).

245615441065 is an equidigital number, since it uses as much as digits as its factorization.

245615441065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926850779.

The product of its (nonzero) digits is 576000, while the sum is 43.

The spelling of 245615441065 in words is "two hundred forty-five billion, six hundred fifteen million, four hundred forty-one thousand, sixty-five".