1304530445 has 32 divisors (see below), whose sum is σ = 1758101760. Its totient is φ = 924042240.

The previous prime is 1304530441. The next prime is 1304530459. The reversal of 1304530445 is 5440354031.

It is not a de Polignac number, because 1304530445 - 2² = 1304530441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304530441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113786 + ... + 124724.

It is an arithmetic number, because the mean of its divisors is an integer number (54940680).

Almost surely, 2^1304530445 is an apocalyptic number.

It is an amenable number.

1304530445 is a deficient number, since it is larger than the sum of its proper divisors (453571315).

1304530445 is a wasteful number, since it uses less digits than its factorization.

1304530445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11045.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 1304530445 is about 36118.2840816116. The cubic root of 1304530445 is about 1092.6592324814.

Adding to 1304530445 its reverse (5440354031), we get a palindrome (6744884476).

The spelling of 1304530445 in words is "one billion, three hundred four million, five hundred thirty thousand, four hundred forty-five".