105443441252 has 12 divisors (see below), whose sum is σ = 185115564396. Its totient is φ = 52553280000.

The previous prime is 105443441251. The next prime is 105443441297. The reversal of 105443441252 is 252144344501.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 55270129216 + 50173312036 = 235096^2 + 223994^2 .

It is a super-2 number, since 2×105443441252² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105443441251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42108749 + ... + 42111252.

It is an arithmetic number, because the mean of its divisors is an integer number (15426297033).

Almost surely, 2^105443441252 is an apocalyptic number.

It is an amenable number.

105443441252 is a deficient number, since it is larger than the sum of its proper divisors (79672123144).

105443441252 is a wasteful number, since it uses less digits than its factorization.

105443441252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84220318 (or 84220316 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 105443441252 its reverse (252144344501), we get a palindrome (357587785753).

The spelling of 105443441252 in words is "one hundred five billion, four hundred forty-three million, four hundred forty-one thousand, two hundred fifty-two".