1146243643 has 2 divisors, whose sum is σ = 1146243644. Its totient is φ = 1146243642.

The previous prime is 1146243641. The next prime is 1146243677. The reversal of 1146243643 is 3463426411.

It is an a-pointer prime, because the next prime (1146243677) can be obtained adding 1146243643 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1146243643 - 2¹ = 1146243641 is a prime.

It is a super-2 number, since 2×1146243643² = 2627748978235822898, which contains 22 as substring.

Together with 1146243641, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1146243599 and 1146243608.

It is not a weakly prime, because it can be changed into another prime (1146243641) 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, 573121821 + 573121822.

It is an arithmetic number, because the mean of its divisors is an integer number (573121822).

Almost surely, 2^1146243643 is an apocalyptic number.

1146243643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146243643 is an equidigital number, since it uses as much as digits as its factorization.

1146243643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 34.

The square root of 1146243643 is about 33856.2201522852. The cubic root of 1146243643 is about 1046.5475854197.

The spelling of 1146243643 in words is "one billion, one hundred forty-six million, two hundred forty-three thousand, six hundred forty-three".