1145332043 has 2 divisors, whose sum is σ = 1145332044. Its totient is φ = 1145332042.

The previous prime is 1145332039. The next prime is 1145332057. The reversal of 1145332043 is 3402335411.

It is a weak prime.

It is an emirp because it is prime and its reverse (3402335411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1145332043 - 2² = 1145332039 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1145332063) 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, 572666021 + 572666022.

It is an arithmetic number, because the mean of its divisors is an integer number (572666022).

Almost surely, 2^1145332043 is an apocalyptic number.

1145332043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145332043 is an equidigital number, since it uses as much as digits as its factorization.

1145332043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1145332043 is about 33842.7546603405. The cubic root of 1145332043 is about 1046.2700743779.

Adding to 1145332043 its reverse (3402335411), we get a palindrome (4547667454).

The spelling of 1145332043 in words is "one billion, one hundred forty-five million, three hundred thirty-two thousand, forty-three".