1145325191 has 2 divisors, whose sum is σ = 1145325192. Its totient is φ = 1145325190.

The previous prime is 1145325179. The next prime is 1145325229. The reversal of 1145325191 is 1915235411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1145325191 - 2¹⁴ = 1145308807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145325131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572662595 + 572662596.

It is an arithmetic number, because the mean of its divisors is an integer number (572662596).

Almost surely, 2^1145325191 is an apocalyptic number.

1145325191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145325191 is an equidigital number, since it uses as much as digits as its factorization.

1145325191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 32.

The square root of 1145325191 is about 33842.6534272950. The cubic root of 1145325191 is about 1046.2679879213.

The spelling of 1145325191 in words is "one billion, one hundred forty-five million, three hundred twenty-five thousand, one hundred ninety-one".