1045304221 has 16 divisors (see below), whose sum is σ = 1176770560. Its totient is φ = 921922560.

The previous prime is 1045304219. The next prime is 1045304251. The reversal of 1045304221 is 1224035401.

It is not a de Polignac number, because 1045304221 - 2¹ = 1045304219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1045304192 and 1045304201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045304201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15421 + ... + 48253.

It is an arithmetic number, because the mean of its divisors is an integer number (73548160).

Almost surely, 2^1045304221 is an apocalyptic number.

It is an amenable number.

1045304221 is a deficient number, since it is larger than the sum of its proper divisors (131466339).

1045304221 is a wasteful number, since it uses less digits than its factorization.

1045304221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32956.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1045304221 is about 32331.1648568374. The cubic root of 1045304221 is about 1014.8789265665.

Adding to 1045304221 its reverse (1224035401), we get a palindrome (2269339622).

The spelling of 1045304221 in words is "one billion, forty-five million, three hundred four thousand, two hundred twenty-one".