1163045345 has 24 divisors (see below), whose sum is σ = 1753225152. Its totient is φ = 725012640.

The previous prime is 1163045341. The next prime is 1163045431. The reversal of 1163045345 is 5435403611.

It is not a de Polignac number, because 1163045345 - 2² = 1163045341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1163045341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133079 + ... + 141548.

It is an arithmetic number, because the mean of its divisors is an integer number (73051048).

Almost surely, 2^1163045345 is an apocalyptic number.

It is an amenable number.

1163045345 is a deficient number, since it is larger than the sum of its proper divisors (590179807).

1163045345 is a wasteful number, since it uses less digits than its factorization.

1163045345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274661 (or 274650 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 1163045345 is about 34103.4506318642. The cubic root of 1163045345 is about 1051.6362530758.

Adding to 1163045345 its reverse (5435403611), we get a palindrome (6598448956).

The spelling of 1163045345 in words is "one billion, one hundred sixty-three million, forty-five thousand, three hundred forty-five".