1105543345 has 16 divisors (see below), whose sum is σ = 1335299328. Its totient is φ = 878688000.

The previous prime is 1105543267. The next prime is 1105543399. The reversal of 1105543345 is 5433455011.

It is not a de Polignac number, because 1105543345 - 2⁷ = 1105543217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 851737 + ... + 853033.

It is an arithmetic number, because the mean of its divisors is an integer number (83456208).

Almost surely, 2^1105543345 is an apocalyptic number.

It is an amenable number.

1105543345 is a deficient number, since it is larger than the sum of its proper divisors (229755983).

1105543345 is a wasteful number, since it uses less digits than its factorization.

1105543345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 1105543345 is about 33249.7119536395. The cubic root of 1105543345 is about 1034.0112364670.

Adding to 1105543345 its reverse (5433455011), we get a palindrome (6538998356).

It can be divided in two parts, 110 and 5543345, that added together give a palindrome (5543455).

The spelling of 1105543345 in words is "one billion, one hundred five million, five hundred forty-three thousand, three hundred forty-five".