1145396443 has 2 divisors, whose sum is σ = 1145396444. Its totient is φ = 1145396442.

The previous prime is 1145396429. The next prime is 1145396491. The reversal of 1145396443 is 3446935411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1145396443 - 2⁵ = 1145396411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1145396396 and 1145396405.

It is not a weakly prime, because it can be changed into another prime (1145396243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572698221 + 572698222.

It is an arithmetic number, because the mean of its divisors is an integer number (572698222).

Almost surely, 2^1145396443 is an apocalyptic number.

1145396443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145396443 is an equidigital number, since it uses as much as digits as its factorization.

1145396443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 40.

The square root of 1145396443 is about 33843.7061061581. The cubic root of 1145396443 is about 1046.2896839838.

The spelling of 1145396443 in words is "one billion, one hundred forty-five million, three hundred ninety-six thousand, four hundred forty-three".