1105135445 has 4 divisors (see below), whose sum is σ = 1326162540. Its totient is φ = 884108352.

The previous prime is 1105135429. The next prime is 1105135459. The reversal of 1105135445 is 5445315011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5445315011 = 673 ⋅8091107.

It can be written as a sum of positive squares in 2 ways, for example, as 129572689 + 975562756 = 11383^2 + 31234^2 .

It is a cyclic number.

It is not a de Polignac number, because 1105135445 - 2⁴ = 1105135429 is a prime.

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, 110513540 + ... + 110513549.

It is an arithmetic number, because the mean of its divisors is an integer number (331540635).

Almost surely, 2^1105135445 is an apocalyptic number.

It is an amenable number.

1105135445 is a deficient number, since it is larger than the sum of its proper divisors (221027095).

1105135445 is an equidigital number, since it uses as much as digits as its factorization.

1105135445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221027094.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 1105135445 is about 33243.5775000225. The cubic root of 1105135445 is about 1033.8840516252.

The spelling of 1105135445 in words is "one billion, one hundred five million, one hundred thirty-five thousand, four hundred forty-five".