1345434003 has 8 divisors (see below), whose sum is σ = 1993235600. Its totient is φ = 896955984.

The previous prime is 1345433977. The next prime is 1345434011. The reversal of 1345434003 is 3004345431.

It is not a de Polignac number, because 1345434003 - 2²¹ = 1343336851 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 49830889 = 1345434003 / (1 + 3 + 4 + 5 + 4 + 3 + 4 + 0 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1345430003) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 24915418 + ... + 24915471.

It is an arithmetic number, because the mean of its divisors is an integer number (249154450).

Almost surely, 2^1345434003 is an apocalyptic number.

1345434003 is a deficient number, since it is larger than the sum of its proper divisors (647801597).

1345434003 is an equidigital number, since it uses as much as digits as its factorization.

1345434003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49830898 (or 49830892 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 1345434003 is about 36680.1581648716. The cubic root of 1345434003 is about 1103.9620216732.

Adding to 1345434003 its reverse (3004345431), we get a palindrome (4349779434).

The spelling of 1345434003 in words is "one billion, three hundred forty-five million, four hundred thirty-four thousand, three".