1345003216 has 10 divisors (see below), whose sum is σ = 2605943762. Its totient is φ = 672501600.

The previous prime is 1345003199. The next prime is 1345003259. The reversal of 1345003216 is 6123005431.

It can be written as a sum of positive squares in only one way, i.e., 961000000 + 384003216 = 31000^2 + 19596^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42031335 + ... + 42031366.

Almost surely, 2^1345003216 is an apocalyptic number.

1345003216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1345003216 is a deficient number, since it is larger than the sum of its proper divisors (1260940546).

1345003216 is an equidigital number, since it uses as much as digits as its factorization.

1345003216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84062709 (or 84062703 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1345003216 is about 36674.2854872457. The cubic root of 1345003216 is about 1103.8441852843.

Adding to 1345003216 its reverse (6123005431), we get a palindrome (7468008647).

The spelling of 1345003216 in words is "one billion, three hundred forty-five million, three thousand, two hundred sixteen".