111145448 has 16 divisors (see below), whose sum is σ = 209113380. Its totient is φ = 55381888.

The previous prime is 111145381. The next prime is 111145457. The reversal of 111145448 is 844541111.

It can be written as a sum of positive squares in 2 ways, for example, as 110712484 + 432964 = 10522^2 + 658^2 .

It is a super-2 number, since 2×111145448² = 24706621222241408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111145448.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 21365 + ... + 26052.

Almost surely, 2^111145448 is an apocalyptic number.

It is an amenable number.

111145448 is a deficient number, since it is larger than the sum of its proper divisors (97967932).

111145448 is a wasteful number, since it uses less digits than its factorization.

111145448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47716 (or 47712 counting only the distinct ones).

The product of its digits is 2560, while the sum is 29.

The square root of 111145448 is about 10542.5541497305. The cubic root of 111145448 is about 480.7993740319.

Adding to 111145448 its reverse (844541111), we get a palindrome (955686559).

The spelling of 111145448 in words is "one hundred eleven million, one hundred forty-five thousand, four hundred forty-eight".