105224545 has 8 divisors (see below), whose sum is σ = 127117800. Its totient is φ = 83614080.

The previous prime is 105224521. The next prime is 105224591. The reversal of 105224545 is 545422501.

It can be written as a sum of positive squares in 4 ways, for example, as 11444689 + 93779856 = 3383^2 + 9684^2 .

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

It is not a de Polignac number, because 105224545 - 2⁵ = 105224513 is a prime.

It is a super-2 number, since 2×105224545² = 22144409740914050, which contains 22 as substring.

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, 69876 + ... + 71365.

It is an arithmetic number, because the mean of its divisors is an integer number (15889725).

Almost surely, 2^105224545 is an apocalyptic number.

It is an amenable number.

105224545 is a deficient number, since it is larger than the sum of its proper divisors (21893255).

105224545 is a wasteful number, since it uses less digits than its factorization.

105224545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141395.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 105224545 is about 10257.9015885316. The cubic root of 105224545 is about 472.1054552867.

The spelling of 105224545 in words is "one hundred five million, two hundred twenty-four thousand, five hundred forty-five".