111444449 has 2 divisors, whose sum is σ = 111444450. Its totient is φ = 111444448.

The previous prime is 111444439. The next prime is 111444479. The reversal of 111444449 is 944444111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67354849 + 44089600 = 8207^2 + 6640^2 .

It is a cyclic number.

It is not a de Polignac number, because 111444449 - 2¹² = 111440353 is a prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (111444439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55722224 + 55722225.

It is an arithmetic number, because the mean of its divisors is an integer number (55722225).

Almost surely, 2^111444449 is an apocalyptic number.

It is an amenable number.

111444449 is a deficient number, since it is larger than the sum of its proper divisors (1).

111444449 is an equidigital number, since it uses as much as digits as its factorization.

111444449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 32.

The square root of 111444449 is about 10556.7252971743. The cubic root of 111444449 is about 481.2301332328.

The spelling of 111444449 in words is "one hundred eleven million, four hundred forty-four thousand, four hundred forty-nine".