1105530445 has 8 divisors (see below), whose sum is σ = 1351667736. Its totient is φ = 867736896.

The previous prime is 1105530379. The next prime is 1105530449. The reversal of 1105530445 is 5440355011.

It can be written as a sum of positive squares in 4 ways, for example, as 284192164 + 821338281 = 16858^2 + 28659^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1105530445 - 2⁹ = 1105529933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105530449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2085642 + ... + 2086171.

It is an arithmetic number, because the mean of its divisors is an integer number (168958467).

Almost surely, 2^1105530445 is an apocalyptic number.

It is an amenable number.

1105530445 is a deficient number, since it is larger than the sum of its proper divisors (246137291).

1105530445 is an equidigital number, since it uses as much as digits as its factorization.

1105530445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4171871.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1105530445 is about 33249.5179664307. The cubic root of 1105530445 is about 1034.0072146748.

Adding to 1105530445 its reverse (5440355011), we get a palindrome (6545885456).

The spelling of 1105530445 in words is "one billion, one hundred five million, five hundred thirty thousand, four hundred forty-five".