1163575145 has 8 divisors (see below), whose sum is σ = 1398571656. Its totient is φ = 929339136.

The previous prime is 1163575139. The next prime is 1163575157. The reversal of 1163575145 is 5415753611.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 181818256 + 981756889 = 13484^2 + 31333^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1163575145 - 2¹⁰ = 1163574121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1163575099 and 1163575108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186752 + ... + 192881.

It is an arithmetic number, because the mean of its divisors is an integer number (174821457).

Almost surely, 2^1163575145 is an apocalyptic number.

It is an amenable number.

1163575145 is a deficient number, since it is larger than the sum of its proper divisors (234996511).

1163575145 is an equidigital number, since it uses as much as digits as its factorization.

1163575145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380251.

The product of its digits is 63000, while the sum is 38.

The square root of 1163575145 is about 34111.2172899180. The cubic root of 1163575145 is about 1051.7959121726.

The spelling of 1163575145 in words is "one billion, one hundred sixty-three million, five hundred seventy-five thousand, one hundred forty-five".