1145566226 has 16 divisors (see below), whose sum is σ = 1975591296. Its totient is φ = 488016096.

The previous prime is 1145566223. The next prime is 1145566241. The reversal of 1145566226 is 6226655411.

It is a self number, because there is not a number n which added to its sum of digits gives 1145566226.

It is not an unprimeable number, because it can be changed into a prime (1145566223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242651 + ... + 247326.

It is an arithmetic number, because the mean of its divisors is an integer number (123474456).

Almost surely, 2^1145566226 is an apocalyptic number.

1145566226 is a deficient number, since it is larger than the sum of its proper divisors (830025070).

1145566226 is a wasteful number, since it uses less digits than its factorization.

1145566226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490153.

The product of its digits is 86400, while the sum is 38.

The square root of 1145566226 is about 33846.2143525683. The cubic root of 1145566226 is about 1046.3413788724.

The spelling of 1145566226 in words is "one billion, one hundred forty-five million, five hundred sixty-six thousand, two hundred twenty-six".