1441155443 has 12 divisors (see below), whose sum is σ = 1783477008. Its totient is φ = 1140253920.

The previous prime is 1441155409. The next prime is 1441155451. The reversal of 1441155443 is 3445511441.

It is not a de Polignac number, because 1441155443 - 2²⁰ = 1440106867 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1441155473) 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 in 11 ways as a sum of consecutive naturals, for example, 607928 + ... + 610293.

It is an arithmetic number, because the mean of its divisors is an integer number (148623084).

Almost surely, 2^1441155443 is an apocalyptic number.

1441155443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1441155443 is a deficient number, since it is larger than the sum of its proper divisors (342321565).

1441155443 is a wasteful number, since it uses less digits than its factorization.

1441155443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218254 (or 1218241 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 1441155443 is about 37962.5531675624. The cubic root of 1441155443 is about 1129.5451854364.

Adding to 1441155443 its reverse (3445511441), we get a palindrome (4886666884).

The spelling of 1441155443 in words is "one billion, four hundred forty-one million, one hundred fifty-five thousand, four hundred forty-three".