105245214443246 has 4 divisors (see below), whose sum is σ = 157867821664872. Its totient is φ = 52622607221622.

The previous prime is 105245214443221. The next prime is 105245214443249. The reversal of 105245214443246 is 642344412542501.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×105245214443246² (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 105245214443246.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26311303610810 + ... + 26311303610813.

It is an arithmetic number, because the mean of its divisors is an integer number (39466955416218).

Almost surely, 2^{105245214443246} is an apocalyptic number.

105245214443246 is a deficient number, since it is larger than the sum of its proper divisors (52622607221626).

105245214443246 is an equidigital number, since it uses as much as digits as its factorization.

105245214443246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52622607221625.

The product of its (nonzero) digits is 3686400, while the sum is 47.

Adding to 105245214443246 its reverse (642344412542501), we get a palindrome (747589626985747).

The spelling of 105245214443246 in words is "one hundred five trillion, two hundred forty-five billion, two hundred fourteen million, four hundred forty-three thousand, two hundred forty-six".