109284445 has 4 divisors (see below), whose sum is σ = 131141340. Its totient is φ = 87427552.

The previous prime is 109284433. The next prime is 109284479. The reversal of 109284445 is 544482901.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19660356 + 89624089 = 4434^2 + 9467^2 .

It is a cyclic number.

It is not a de Polignac number, because 109284445 - 2²⁵ = 75730013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10928440 + ... + 10928449.

It is an arithmetic number, because the mean of its divisors is an integer number (32785335).

Almost surely, 2^109284445 is an apocalyptic number.

It is an amenable number.

109284445 is a deficient number, since it is larger than the sum of its proper divisors (21856895).

109284445 is an equidigital number, since it uses as much as digits as its factorization.

109284445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21856894.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 109284445 is about 10453.9200781334. The cubic root of 109284445 is about 478.1007779319.

The spelling of 109284445 in words is "one hundred nine million, two hundred eighty-four thousand, four hundred forty-five".