105545154444 has 24 divisors (see below), whose sum is σ = 246331103088. Its totient is φ = 35173278720.

The previous prime is 105545154437. The next prime is 105545154479. The reversal of 105545154444 is 444451545501.

It is a super-2 number, since 2×105545154444² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105545154396 and 105545154405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1002717 + ... + 1102964.

It is an arithmetic number, because the mean of its divisors is an integer number (10263795962).

Almost surely, 2^105545154444 is an apocalyptic number.

It is an amenable number.

105545154444 is an abundant number, since it is smaller than the sum of its proper divisors (140785948644).

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

105545154444 is a wasteful number, since it uses less digits than its factorization.

105545154444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109865 (or 2109863 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 42.

Adding to 105545154444 its reverse (444451545501), we get a palindrome (549996699945).

The spelling of 105545154444 in words is "one hundred five billion, five hundred forty-five million, one hundred fifty-four thousand, four hundred forty-four".