1145046443 has 2 divisors, whose sum is σ = 1145046444. Its totient is φ = 1145046442.

The previous prime is 1145046389. The next prime is 1145046449. The reversal of 1145046443 is 3446405411.

It is a strong prime.

It is an emirp because it is prime and its reverse (3446405411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1145046443 - 2¹⁸ = 1144784299 is a prime.

It is a super-2 number, since 2×1145046443² = 2622262713253904498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1145046449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572523221 + 572523222.

It is an arithmetic number, because the mean of its divisors is an integer number (572523222).

Almost surely, 2^1145046443 is an apocalyptic number.

1145046443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145046443 is an equidigital number, since it uses as much as digits as its factorization.

1145046443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 1145046443 is about 33838.5348825862. The cubic root of 1145046443 is about 1046.1831011791.

The spelling of 1145046443 in words is "one billion, one hundred forty-five million, forty-six thousand, four hundred forty-three".