105356554445 has 4 divisors (see below), whose sum is σ = 126427865340. Its totient is φ = 84285243552.

The previous prime is 105356554439. The next prime is 105356554453. The reversal of 105356554445 is 544455653501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544455653501 = 304301 ⋅1789201.

It can be written as a sum of positive squares in 2 ways, for example, as 36709410409 + 68647144036 = 191597^2 + 262006^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105356554445 is a prime.

It is a super-2 number, since 2×105356554445² (a number of 23 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 105356554445.

It is a congruent number.

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, 10535655440 + ... + 10535655449.

It is an arithmetic number, because the mean of its divisors is an integer number (31606966335).

Almost surely, 2^105356554445 is an apocalyptic number.

It is an amenable number.

105356554445 is a deficient number, since it is larger than the sum of its proper divisors (21071310895).

105356554445 is an equidigital number, since it uses as much as digits as its factorization.

105356554445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21071310894.

The product of its (nonzero) digits is 3600000, while the sum is 47.

The spelling of 105356554445 in words is "one hundred five billion, three hundred fifty-six million, five hundred fifty-four thousand, four hundred forty-five".