1163340045 has 48 divisors (see below), whose sum is σ = 2336136192. Its totient is φ = 524517120.

The previous prime is 1163340029. The next prime is 1163340047. The reversal of 1163340045 is 5400433611.

It is not a de Polignac number, because 1163340045 - 2⁴ = 1163340029 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163340047) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2301 + ... + 48290.

It is an arithmetic number, because the mean of its divisors is an integer number (48669504).

Almost surely, 2^1163340045 is an apocalyptic number.

1163340045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1163340045 is an abundant number, since it is smaller than the sum of its proper divisors (1172796147).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1163340045 is a wasteful number, since it uses less digits than its factorization.

1163340045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50682 (or 50679 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1163340045 is about 34107.7710353520. The cubic root of 1163340045 is about 1051.7250690543.

Adding to 1163340045 its reverse (5400433611), we get a palindrome (6563773656).

The spelling of 1163340045 in words is "one billion, one hundred sixty-three million, three hundred forty thousand, forty-five".