1345516305 has 32 divisors (see below), whose sum is σ = 2463032064. Its totient is φ = 614428416.

The previous prime is 1345516301. The next prime is 1345516409. The reversal of 1345516305 is 5036155431.

It is not a de Polignac number, because 1345516305 - 2² = 1345516301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1345516301) 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 31 ways as a sum of consecutive naturals, for example, 98259 + ... + 111111.

It is an arithmetic number, because the mean of its divisors is an integer number (76969752).

Almost surely, 2^1345516305 is an apocalyptic number.

1345516305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1345516305 is a deficient number, since it is larger than the sum of its proper divisors (1117515759).

1345516305 is a wasteful number, since it uses less digits than its factorization.

1345516305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13865.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 1345516305 is about 36681.2800349170. The cubic root of 1345516305 is about 1103.9845314927.

The spelling of 1345516305 in words is "one billion, three hundred forty-five million, five hundred sixteen thousand, three hundred five".