1145336171 has 4 divisors (see below), whose sum is σ = 1308955632. Its totient is φ = 981716712.

The previous prime is 1145336167. The next prime is 1145336191. The reversal of 1145336171 is 1716335411.

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

It is a cyclic number.

It is not a de Polignac number, because 1145336171 - 2² = 1145336167 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145336111) 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 3 ways as a sum of consecutive naturals, for example, 81809720 + ... + 81809733.

It is an arithmetic number, because the mean of its divisors is an integer number (327238908).

Almost surely, 2^1145336171 is an apocalyptic number.

1145336171 is a deficient number, since it is larger than the sum of its proper divisors (163619461).

1145336171 is an equidigital number, since it uses as much as digits as its factorization.

1145336171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163619460.

The product of its digits is 7560, while the sum is 32.

The square root of 1145336171 is about 33842.8156482288. The cubic root of 1145336171 is about 1046.2713313635.

The spelling of 1145336171 in words is "one billion, one hundred forty-five million, three hundred thirty-six thousand, one hundred seventy-one".