1145743 has 2 divisors, whose sum is σ = 1145744. Its totient is φ = 1145742.

The previous prime is 1145741. The next prime is 1145747. The reversal of 1145743 is 3475411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1145743 - 2¹ = 1145741 is a prime.

Together with 1145741, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145741) 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, 572871 + 572872.

It is an arithmetic number, because the mean of its divisors is an integer number (572872).

2^1145743 is an apocalyptic number.

1145743 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145743 is an equidigital number, since it uses as much as digits as its factorization.

1145743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 25.

The square root of 1145743 is about 1070.3938527477. The cubic root of 1145743 is about 104.6395196927.

It can be divided in two parts, 11 and 45743, that added together give a palindrome (45754).

The spelling of 1145743 in words is "one million, one hundred forty-five thousand, seven hundred forty-three".