1145309041 has 2 divisors, whose sum is σ = 1145309042. Its totient is φ = 1145309040.

The previous prime is 1145308951. The next prime is 1145309051. The reversal of 1145309041 is 1409035411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 743707441 + 401601600 = 27271^2 + 20040^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145309041 - 2¹⁵ = 1145276273 is a prime.

It is not a weakly prime, because it can be changed into another prime (1145309051) 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, 572654520 + 572654521.

It is an arithmetic number, because the mean of its divisors is an integer number (572654521).

Almost surely, 2^1145309041 is an apocalyptic number.

It is an amenable number.

1145309041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145309041 is an equidigital number, since it uses as much as digits as its factorization.

1145309041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1145309041 is about 33842.4148222316. The cubic root of 1145309041 is about 1046.2630701600.

The spelling of 1145309041 in words is "one billion, one hundred forty-five million, three hundred nine thousand, forty-one".