1111443445 has 16 divisors (see below), whose sum is σ = 1528600320. Its totient is φ = 759965184.

The previous prime is 1111443433. The next prime is 1111443497. The reversal of 1111443445 is 5443441111.

It is a cyclic number.

It is not a de Polignac number, because 1111443445 - 2⁵ = 1111443413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32625 + ... + 57334.

It is an arithmetic number, because the mean of its divisors is an integer number (95537520).

Almost surely, 2^1111443445 is an apocalyptic number.

It is an amenable number.

1111443445 is a deficient number, since it is larger than the sum of its proper divisors (417156875).

1111443445 is an equidigital number, since it uses as much as digits as its factorization.

1111443445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90324.

The product of its digits is 3840, while the sum is 28.

The square root of 1111443445 is about 33338.3179689678. The cubic root of 1111443445 is about 1035.8474222238.

Adding to 1111443445 its reverse (5443441111), we get a palindrome (6554884556).

The spelling of 1111443445 in words is "one billion, one hundred eleven million, four hundred forty-three thousand, four hundred forty-five".