1105445 has 16 divisors (see below), whose sum is σ = 1468800. Its totient is φ = 792000.

The previous prime is 1105441. The next prime is 1105457. The reversal of 1105445 is 5445011.

It is not a de Polignac number, because 1105445 - 2² = 1105441 is a prime.

1105445 is a modest number, since divided by 5445 gives 110 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5456 + ... + 5654.

It is an arithmetic number, because the mean of its divisors is an integer number (91800).

2^1105445 is an apocalyptic number.

It is an amenable number.

1105445 is a deficient number, since it is larger than the sum of its proper divisors (363355).

1105445 is a wasteful number, since it uses less digits than its factorization.

1105445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1105445 is about 1051.4014456905. The cubic root of 1105445 is about 103.3980574967.

It can be divided in two parts, 110 and 5445, that added together give a palindrome (5555).

The spelling of 1105445 in words is "one million, one hundred five thousand, four hundred forty-five".