1304451152 has 20 divisors (see below), whose sum is σ = 2530055700. Its totient is φ = 651533568.

The previous prime is 1304451151. The next prime is 1304451167. The reversal of 1304451152 is 2511544031.

It can be written as a sum of positive squares in 2 ways, for example, as 203804176 + 1100646976 = 14276^2 + 33176^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304451151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27527 + ... + 58022.

It is an arithmetic number, because the mean of its divisors is an integer number (126502785).

Almost surely, 2^1304451152 is an apocalyptic number.

It is an amenable number.

1304451152 is a deficient number, since it is larger than the sum of its proper divisors (1225604548).

1304451152 is an equidigital number, since it uses as much as digits as its factorization.

1304451152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86510 (or 86504 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1304451152 is about 36117.1863798940. The cubic root of 1304451152 is about 1092.6370937406.

Adding to 1304451152 its reverse (2511544031), we get a palindrome (3815995183).

The spelling of 1304451152 in words is "one billion, three hundred four million, four hundred fifty-one thousand, one hundred fifty-two".