2445155443 has 2 divisors, whose sum is σ = 2445155444. Its totient is φ = 2445155442.

The previous prime is 2445155437. The next prime is 2445155527. The reversal of 2445155443 is 3445515442.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2445155443 is a prime.

It is not a weakly prime, because it can be changed into another prime (2445155743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1222577721 + 1222577722.

It is an arithmetic number, because the mean of its divisors is an integer number (1222577722).

Almost surely, 2^2445155443 is an apocalyptic number.

2445155443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2445155443 is an equidigital number, since it uses as much as digits as its factorization.

2445155443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192000, while the sum is 37.

The square root of 2445155443 is about 49448.5130514559. The cubic root of 2445155443 is about 1347.2105994778.

The spelling of 2445155443 in words is "two billion, four hundred forty-five million, one hundred fifty-five thousand, four hundred forty-three".