105044485138 has 8 divisors (see below), whose sum is σ = 157951977660. Its totient is φ = 52393825920.

The previous prime is 105044485123. The next prime is 105044485141. The reversal of 105044485138 is 831584440501.

It can be written as a sum of positive squares in 2 ways, for example, as 104841906849 + 202578289 = 323793^2 + 14233^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105044485138² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105044485094 and 105044485103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64207303 + ... + 64208938.

Almost surely, 2^105044485138 is an apocalyptic number.

105044485138 is a deficient number, since it is larger than the sum of its proper divisors (52907492522).

105044485138 is a wasteful number, since it uses less digits than its factorization.

105044485138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128416652.

The product of its (nonzero) digits is 307200, while the sum is 43.

The spelling of 105044485138 in words is "one hundred five billion, forty-four million, four hundred eighty-five thousand, one hundred thirty-eight".