1106645443 has 4 divisors (see below), whose sum is σ = 1164889960. Its totient is φ = 1048400928.

The previous prime is 1106645417. The next prime is 1106645479. The reversal of 1106645443 is 3445466011.

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

It is a cyclic number.

It is not a de Polignac number, because 1106645443 - 2⁵ = 1106645411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1106645399 and 1106645408.

It is not an unprimeable number, because it can be changed into a prime (1106640443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29122230 + ... + 29122267.

It is an arithmetic number, because the mean of its divisors is an integer number (291222490).

Almost surely, 2^1106645443 is an apocalyptic number.

1106645443 is a deficient number, since it is larger than the sum of its proper divisors (58244517).

1106645443 is an equidigital number, since it uses as much as digits as its factorization.

1106645443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58244516.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 1106645443 is about 33266.2808711764. The cubic root of 1106645443 is about 1034.3547186271.

The spelling of 1106645443 in words is "one billion, one hundred six million, six hundred forty-five thousand, four hundred forty-three".