1145843 has 2 divisors, whose sum is σ = 1145844. Its totient is φ = 1145842.

The previous prime is 1145831. The next prime is 1145849. The reversal of 1145843 is 3485411.

It is a strong prime.

It is an emirp because it is prime and its reverse (3485411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1145843 - 2¹⁴ = 1129459 is a prime.

It is not a weakly prime, because it can be changed into another prime (1145849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572921 + 572922.

It is an arithmetic number, because the mean of its divisors is an integer number (572922).

2^1145843 is an apocalyptic number.

1145843 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145843 is an equidigital number, since it uses as much as digits as its factorization.

1145843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 26.

The square root of 1145843 is about 1070.4405635064. The cubic root of 1145843 is about 104.6425639029.

It can be divided in two parts, 11 and 45843, that added together give a palindrome (45854).

The spelling of 1145843 in words is "one million, one hundred forty-five thousand, eight hundred forty-three".