1145465443 has 2 divisors, whose sum is σ = 1145465444. Its totient is φ = 1145465442.

The previous prime is 1145465437. The next prime is 1145465459. The reversal of 1145465443 is 3445645411.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145465443 is a prime.

It is a super-2 number, since 2×1145465443² = 2624182162214372498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1145465843) 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 as a sum of consecutive naturals, namely, 572732721 + 572732722.

It is an arithmetic number, because the mean of its divisors is an integer number (572732722).

Almost surely, 2^1145465443 is an apocalyptic number.

1145465443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145465443 is an equidigital number, since it uses as much as digits as its factorization.

1145465443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 115200, while the sum is 37.

The square root of 1145465443 is about 33844.7254827100. The cubic root of 1145465443 is about 1046.3106934601.

The spelling of 1145465443 in words is "one billion, one hundred forty-five million, four hundred sixty-five thousand, four hundred forty-three".