245105213403112 has 8 divisors (see below), whose sum is σ = 459572275130850. Its totient is φ = 122552606701552.

The previous prime is 245105213403007. The next prime is 245105213403199. The reversal of 245105213403112 is 211304312501542.

It can be written as a sum of positive squares in only one way, i.e., 231790698406276 + 13314514996836 = 15224674^2 + 3648906^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×245105213403112² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15319075837687 + ... + 15319075837702.

Almost surely, 2^{245105213403112} is an apocalyptic number.

It is an amenable number.

245105213403112 is a deficient number, since it is larger than the sum of its proper divisors (214467061727738).

245105213403112 is a wasteful number, since it uses less digits than its factorization.

245105213403112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30638151675395 (or 30638151675391 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 245105213403112 its reverse (211304312501542), we get a palindrome (456409525904654).

The spelling of 245105213403112 in words is "two hundred forty-five trillion, one hundred five billion, two hundred thirteen million, four hundred three thousand, one hundred twelve".