1345451003263 has 4 divisors (see below), whose sum is σ = 1345458462160. Its totient is φ = 1345443544368.

The previous prime is 1345451003257. The next prime is 1345451003269. The reversal of 1345451003263 is 3623001545431.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1345451003257) and next prime (1345451003269).

It is a cyclic number.

It is not a de Polignac number, because 1345451003263 - 2⁵ = 1345451003231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345451003269) 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, 3451995 + ... + 3821932.

It is an arithmetic number, because the mean of its divisors is an integer number (336364615540).

Almost surely, 2^{1345451003263} is an apocalyptic number.

1345451003263 is a deficient number, since it is larger than the sum of its proper divisors (7458897).

1345451003263 is an equidigital number, since it uses as much as digits as its factorization.

1345451003263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7458896.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 1345451003263 its reverse (3623001545431), we get a palindrome (4968452548694).

The spelling of 1345451003263 in words is "one trillion, three hundred forty-five billion, four hundred fifty-one million, three thousand, two hundred sixty-three".