1045443226 has 4 divisors (see below), whose sum is σ = 1568164842. Its totient is φ = 522721612.

The previous prime is 1045443221. The next prime is 1045443227. The reversal of 1045443226 is 6223445401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1031373225 + 14070001 = 32115^2 + 3751^2 .

It is a Smith number, since the sum of its digits (31) 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 (1045443221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261360805 + ... + 261360808.

Almost surely, 2^1045443226 is an apocalyptic number.

1045443226 is a deficient number, since it is larger than the sum of its proper divisors (522721616).

1045443226 is an equidigital number, since it uses as much as digits as its factorization.

1045443226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522721615.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 1045443226 is about 32333.3144914034. The cubic root of 1045443226 is about 1014.9239109163.

Adding to 1045443226 its reverse (6223445401), we get a palindrome (7268888627).

The spelling of 1045443226 in words is "one billion, forty-five million, four hundred forty-three thousand, two hundred twenty-six".