384045645 has 8 divisors (see below), whose sum is σ = 614473056. Its totient is φ = 204824336.

The previous prime is 384045643. The next prime is 384045653. The reversal of 384045645 is 546540483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 384045645 - 2¹ = 384045643 is a prime.

It is a super-3 number, since 3×384045645³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384045643) 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 7 ways as a sum of consecutive naturals, for example, 12801507 + ... + 12801536.

It is an arithmetic number, because the mean of its divisors is an integer number (76809132).

Almost surely, 2^384045645 is an apocalyptic number.

It is an amenable number.

384045645 is a deficient number, since it is larger than the sum of its proper divisors (230427411).

384045645 is a wasteful number, since it uses less digits than its factorization.

384045645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25603051.

The product of its (nonzero) digits is 230400, while the sum is 39.

The square root of 384045645 is about 19597.0825634838. The cubic root of 384045645 is about 726.8770354604.

The spelling of 384045645 in words is "three hundred eighty-four million, forty-five thousand, six hundred forty-five".