1163045145 has 32 divisors (see below), whose sum is σ = 1931454720. Its totient is φ = 596906240.

The previous prime is 1163045141. The next prime is 1163045159. The reversal of 1163045145 is 5415403611.

It is a happy number.

It is not a de Polignac number, because 1163045145 - 2² = 1163045141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1163045141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130987 + ... + 139583.

It is an arithmetic number, because the mean of its divisors is an integer number (60357960).

Almost surely, 2^1163045145 is an apocalyptic number.

1163045145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1163045145 is a deficient number, since it is larger than the sum of its proper divisors (768409575).

1163045145 is a wasteful number, since it uses less digits than its factorization.

1163045145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8945.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 1163045145 is about 34103.4476996095. The cubic root of 1163045145 is about 1051.6361927952.

Adding to 1163045145 its reverse (5415403611), we get a palindrome (6578448756).

The spelling of 1163045145 in words is "one billion, one hundred sixty-three million, forty-five thousand, one hundred forty-five".