1445272226 has 32 divisors (see below), whose sum is σ = 2253227328. Its totient is φ = 694814400.

The previous prime is 1445272223. The next prime is 1445272243. The reversal of 1445272226 is 6222725441.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1445272223) 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 15 ways as a sum of consecutive naturals, for example, 1971356 + ... + 1972088.

It is an arithmetic number, because the mean of its divisors is an integer number (70413354).

Almost surely, 2^1445272226 is an apocalyptic number.

1445272226 is a deficient number, since it is larger than the sum of its proper divisors (807955102).

1445272226 is a wasteful number, since it uses less digits than its factorization.

1445272226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106.

The product of its digits is 53760, while the sum is 35.

The square root of 1445272226 is about 38016.7361302887. The cubic root of 1445272226 is about 1130.6197102002.

Adding to 1445272226 its reverse (6222725441), we get a palindrome (7667997667).

The spelling of 1445272226 in words is "one billion, four hundred forty-five million, two hundred seventy-two thousand, two hundred twenty-six".