1345349045 has 16 divisors (see below), whose sum is σ = 1659401328. Its totient is φ = 1046338560.

The previous prime is 1345349029. The next prime is 1345349053. The reversal of 1345349045 is 5409435431.

It can be written as a sum of positive squares in 8 ways, for example, as 1540081 + 1343808964 = 1241^2 + 36658^2 .

It is not a de Polignac number, because 1345349045 - 2⁴ = 1345349029 is a prime.

It is a Duffinian number.

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 in 15 ways as a sum of consecutive naturals, for example, 319997 + ... + 324173.

It is an arithmetic number, because the mean of its divisors is an integer number (103712583).

Almost surely, 2^1345349045 is an apocalyptic number.

It is an amenable number.

1345349045 is a deficient number, since it is larger than the sum of its proper divisors (314052283).

1345349045 is a wasteful number, since it uses less digits than its factorization.

1345349045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5960.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 1345349045 is about 36679.0000545271. Note that the first 4 decimals coincide. The cubic root of 1345349045 is about 1103.9387844676.

The spelling of 1345349045 in words is "one billion, three hundred forty-five million, three hundred forty-nine thousand, forty-five".