245134332442105 has 32 divisors (see below), whose sum is σ = 317652568532640. Its totient is φ = 181207576811520.

The previous prime is 245134332442093. The next prime is 245134332442121. The reversal of 245134332442105 is 501244233431542.

It can be written as a sum of positive squares in 16 ways, for example, as 100637392448761 + 144496939993344 = 10031819^2 + 12020688^2 .

It is a de Polignac number, because none of the positive numbers 2^k-245134332442105 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 374192364 + ... + 374846893.

It is an arithmetic number, because the mean of its divisors is an integer number (9926642766645).

Almost surely, 2^{245134332442105} is an apocalyptic number.

It is an amenable number.

245134332442105 is a deficient number, since it is larger than the sum of its proper divisors (72518236090535).

245134332442105 is a wasteful number, since it uses less digits than its factorization.

245134332442105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749039389.

The product of its (nonzero) digits is 1382400, while the sum is 43.

Adding to 245134332442105 its reverse (501244233431542), we get a palindrome (746378565873647).

The spelling of 245134332442105 in words is "two hundred forty-five trillion, one hundred thirty-four billion, three hundred thirty-two million, four hundred forty-two thousand, one hundred five".