1345553512 has 32 divisors (see below), whose sum is σ = 2630131200. Its totient is φ = 644616000.

The previous prime is 1345553501. The next prime is 1345553579. The reversal of 1345553512 is 2153555431.

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 7 ways as a sum of consecutive naturals, for example, 1812 + ... + 51907.

It is an arithmetic number, because the mean of its divisors is an integer number (82191600).

Almost surely, 2^1345553512 is an apocalyptic number.

It is an amenable number.

1345553512 is a deficient number, since it is larger than the sum of its proper divisors (1284577688).

1345553512 is a wasteful number, since it uses less digits than its factorization.

1345553512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53857 (or 53853 counting only the distinct ones).

The product of its digits is 45000, while the sum is 34.

The square root of 1345553512 is about 36681.7871974635. The cubic root of 1345553512 is about 1103.9947074065.

The spelling of 1345553512 in words is "one billion, three hundred forty-five million, five hundred fifty-three thousand, five hundred twelve".