1345856852 has 12 divisors (see below), whose sum is σ = 2355553536. Its totient is φ = 672841560.

The previous prime is 1345856819. The next prime is 1345856879. The reversal of 1345856852 is 2586585431.

It is a super-2 number, since 2×1345856852² = 3622661332150699808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1345856797 and 1345856806.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 23693 + ... + 57035.

It is an arithmetic number, because the mean of its divisors is an integer number (196296128).

Almost surely, 2^1345856852 is an apocalyptic number.

It is an amenable number.

1345856852 is a deficient number, since it is larger than the sum of its proper divisors (1009696684).

1345856852 is a wasteful number, since it uses less digits than its factorization.

1345856852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43438 (or 43436 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 47.

The square root of 1345856852 is about 36685.9217139218. The cubic root of 1345856852 is about 1104.0776622622.

The spelling of 1345856852 in words is "one billion, three hundred forty-five million, eight hundred fifty-six thousand, eight hundred fifty-two".