1145613226 has 16 divisors (see below), whose sum is σ = 1771152768. Its totient is φ = 555400800.

The previous prime is 1145613211. The next prime is 1145613247. The reversal of 1145613226 is 6223165411.

It is a happy number.

It is a super-2 number, since 2×1145613226² = 2624859327172254152, which contains 22 as substring.

It is an unprimeable number.

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, 29490 + ... + 56221.

It is an arithmetic number, because the mean of its divisors is an integer number (110697048).

Almost surely, 2^1145613226 is an apocalyptic number.

1145613226 is a deficient number, since it is larger than the sum of its proper divisors (625539542).

1145613226 is a wasteful number, since it uses less digits than its factorization.

1145613226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85917.

The product of its digits is 8640, while the sum is 31.

The square root of 1145613226 is about 33846.9086623875. The cubic root of 1145613226 is about 1046.3556883528.

Adding to 1145613226 its reverse (6223165411), we get a palindrome (7368778637).

The spelling of 1145613226 in words is "one billion, one hundred forty-five million, six hundred thirteen thousand, two hundred twenty-six".