105245214443244 has 72 divisors (see below), whose sum is σ = 274645026714240. Its totient is φ = 33946769664000.

The previous prime is 105245214443221. The next prime is 105245214443249. The reversal of 105245214443244 is 442344412542501.

105245214443244 is a `hidden beast` number, since 1 + 0 + 5 + 2 + 4 + 521 + 44 + 43 + 2 + 44 = 666.

It is a super-2 number, since 2×105245214443244² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105245214443244.

It is not an unprimeable number, because it can be changed into a prime (105245214443249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6918412 + ... + 16073420.

It is an arithmetic number, because the mean of its divisors is an integer number (3814514259920).

Almost surely, 2^{105245214443244} is an apocalyptic number.

It is an amenable number.

105245214443244 is an abundant number, since it is smaller than the sum of its proper divisors (169399812270996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105245214443244 is a wasteful number, since it uses less digits than its factorization.

105245214443244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9165351 (or 9165346 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 45.

Adding to 105245214443244 its reverse (442344412542501), we get a palindrome (547589626985745).

The spelling of 105245214443244 in words is "one hundred five trillion, two hundred forty-five billion, two hundred fourteen million, four hundred forty-three thousand, two hundred forty-four".