111145426 has 12 divisors (see below), whose sum is σ = 193937598. Its totient is φ = 47633712.

The previous prime is 111145381. The next prime is 111145457. The reversal of 111145426 is 624541111.

It can be written as a sum of positive squares in only one way, i.e., 110986225 + 159201 = 10535^2 + 399^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111145426.

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 5 ways as a sum of consecutive naturals, for example, 566971 + ... + 567166.

Almost surely, 2^111145426 is an apocalyptic number.

111145426 is a deficient number, since it is larger than the sum of its proper divisors (82792172).

111145426 is a wasteful number, since it uses less digits than its factorization.

111145426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134153 (or 1134146 counting only the distinct ones).

The product of its digits is 960, while the sum is 25.

The square root of 111145426 is about 10542.5531063400. The cubic root of 111145426 is about 480.7993423090.

Adding to 111145426 its reverse (624541111), we get a palindrome (735686537).

The spelling of 111145426 in words is "one hundred eleven million, one hundred forty-five thousand, four hundred twenty-six".