1145412226 has 16 divisors (see below), whose sum is σ = 2066909760. Its totient is φ = 465054480.

The previous prime is 1145412197. The next prime is 1145412227. The reversal of 1145412226 is 6222145411.

It is a junction number, because it is equal to n+sod(n) for n = 1145412194 and 1145412203.

It is not an unprimeable number, because it can be changed into a prime (1145412227) 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 in 7 ways as a sum of consecutive naturals, for example, 2152765 + ... + 2153296.

It is an arithmetic number, because the mean of its divisors is an integer number (129181860).

Almost surely, 2^1145412226 is an apocalyptic number.

1145412226 is a deficient number, since it is larger than the sum of its proper divisors (921497534).

1145412226 is a wasteful number, since it uses less digits than its factorization.

1145412226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4306089.

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

The square root of 1145412226 is about 33843.9392801725. The cubic root of 1145412226 is about 1046.2944897475.

Adding to 1145412226 its reverse (6222145411), we get a palindrome (7367557637).

The spelling of 1145412226 in words is "one billion, one hundred forty-five million, four hundred twelve thousand, two hundred twenty-six".