3645329156 has 24 divisors (see below), whose sum is σ = 7607644800. Its totient is φ = 1494358272.

The previous prime is 3645329143. The next prime is 3645329209. The reversal of 3645329156 is 6519235463.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2829581 + ... + 2830868.

It is an arithmetic number, because the mean of its divisors is an integer number (316985200).

Almost surely, 2^3645329156 is an apocalyptic number.

It is an amenable number.

3645329156 is an abundant number, since it is smaller than the sum of its proper divisors (3962315644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3645329156 is a wasteful number, since it uses less digits than its factorization.

3645329156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5660483 (or 5660481 counting only the distinct ones).

The product of its digits is 583200, while the sum is 44.

The square root of 3645329156 is about 60376.5613131454. The cubic root of 3645329156 is about 1539.0246756223.

The spelling of 3645329156 in words is "three billion, six hundred forty-five million, three hundred twenty-nine thousand, one hundred fifty-six".