1345645322 has 32 divisors (see below), whose sum is σ = 2431027200. Its totient is φ = 545723568.

The previous prime is 1345645313. The next prime is 1345645333. The reversal of 1345645322 is 2235465431.

It is a super-2 number, since 2×1345645322² = 3621522665240967368, which contains 22 as substring.

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, 280379 + ... + 285137.

It is an arithmetic number, because the mean of its divisors is an integer number (75969600).

Almost surely, 2^1345645322 is an apocalyptic number.

1345645322 is a deficient number, since it is larger than the sum of its proper divisors (1085381878).

1345645322 is a wasteful number, since it uses less digits than its factorization.

1345645322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5850.

The product of its digits is 86400, while the sum is 35.

The square root of 1345645322 is about 36683.0386145968. The cubic root of 1345645322 is about 1104.0198161438.

The spelling of 1345645322 in words is "one billion, three hundred forty-five million, six hundred forty-five thousand, three hundred twenty-two".