1163068145 has 4 divisors (see below), whose sum is σ = 1395681780. Its totient is φ = 930454512.

The previous prime is 1163068091. The next prime is 1163068189. The reversal of 1163068145 is 5418603611.

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

It can be written as a sum of positive squares in 2 ways, for example, as 330803344 + 832264801 = 18188^2 + 28849^2 .

It is a cyclic number.

It is not a de Polignac number, because 1163068145 - 2¹⁶ = 1163002609 is a prime.

It is a super-4 number, since 4×1163068145⁴ (a number of 37 digits) contains 4444 as substring.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 116306810 + ... + 116306819.

It is an arithmetic number, because the mean of its divisors is an integer number (348920445).

Almost surely, 2^1163068145 is an apocalyptic number.

It is an amenable number.

1163068145 is a deficient number, since it is larger than the sum of its proper divisors (232613635).

1163068145 is an equidigital number, since it uses as much as digits as its factorization.

1163068145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232613634.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 1163068145 is about 34103.7849072504. The cubic root of 1163068145 is about 1051.6431250205.

The spelling of 1163068145 in words is "one billion, one hundred sixty-three million, sixty-eight thousand, one hundred forty-five".