105444505450 has 24 divisors (see below), whose sum is σ = 199341979020. Its totient is φ = 41486361600.

The previous prime is 105444505403. The next prime is 105444505469. The reversal of 105444505450 is 54505444501.

It can be written as a sum of positive squares in 6 ways, for example, as 211091841 + 105233413609 = 14529^2 + 324397^2 .

It is a super-2 number, since 2×105444505450² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17282935 + ... + 17289034.

Almost surely, 2^105444505450 is an apocalyptic number.

105444505450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105444505450 is a deficient number, since it is larger than the sum of its proper divisors (93897473570).

105444505450 is a wasteful number, since it uses less digits than its factorization.

105444505450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34572042 (or 34572037 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 37.

Adding to 105444505450 its reverse (54505444501), we get a palindrome (159949949951).

The spelling of 105444505450 in words is "one hundred five billion, four hundred forty-four million, five hundred five thousand, four hundred fifty".