1345066503 has 32 divisors (see below), whose sum is σ = 2082557952. Its totient is φ = 763161600.

The previous prime is 1345066501. The next prime is 1345066507. The reversal of 1345066503 is 3056605431.

It is not a de Polignac number, because 1345066503 - 2¹ = 1345066501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345066501) 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 31 ways as a sum of consecutive naturals, for example, 100875 + ... + 113427.

It is an arithmetic number, because the mean of its divisors is an integer number (65079936).

Almost surely, 2^1345066503 is an apocalyptic number.

1345066503 is a deficient number, since it is larger than the sum of its proper divisors (737491449).

1345066503 is a wasteful number, since it uses less digits than its factorization.

1345066503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12775.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 1345066503 is about 36675.1483023586. The cubic root of 1345066503 is about 1103.8614982271.

The spelling of 1345066503 in words is "one billion, three hundred forty-five million, sixty-six thousand, five hundred three".