1145663177 has 2 divisors, whose sum is σ = 1145663178. Its totient is φ = 1145663176.

The previous prime is 1145663173. The next prime is 1145663191. The reversal of 1145663177 is 7713665411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1092897481 + 52765696 = 33059^2 + 7264^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145663177 - 2² = 1145663173 is a prime.

It is not a weakly prime, because it can be changed into another prime (1145663173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572831588 + 572831589.

It is an arithmetic number, because the mean of its divisors is an integer number (572831589).

Almost surely, 2^1145663177 is an apocalyptic number.

It is an amenable number.

1145663177 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145663177 is an equidigital number, since it uses as much as digits as its factorization.

1145663177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 41.

The square root of 1145663177 is about 33847.6465503881. The cubic root of 1145663177 is about 1046.3708958569.

The spelling of 1145663177 in words is "one billion, one hundred forty-five million, six hundred sixty-three thousand, one hundred seventy-seven".