1304232445 has 4 divisors (see below), whose sum is σ = 1565078940. Its totient is φ = 1043385952.

The previous prime is 1304232443. The next prime is 1304232481. The reversal of 1304232445 is 5442324031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5442324031 = 151 ⋅36041881.

It can be written as a sum of positive squares in 2 ways, for example, as 473236516 + 830995929 = 21754^2 + 28827^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304232445 - 2¹ = 1304232443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304232443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130423240 + ... + 130423249.

It is an arithmetic number, because the mean of its divisors is an integer number (391269735).

Almost surely, 2^1304232445 is an apocalyptic number.

It is an amenable number.

1304232445 is a deficient number, since it is larger than the sum of its proper divisors (260846495).

1304232445 is an equidigital number, since it uses as much as digits as its factorization.

1304232445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260846494.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 1304232445 is about 36114.1585115866. The cubic root of 1304232445 is about 1092.5760257231.

Adding to 1304232445 its reverse (5442324031), we get a palindrome (6746556476).

The spelling of 1304232445 in words is "one billion, three hundred four million, two hundred thirty-two thousand, four hundred forty-five".