384617145 has 32 divisors (see below), whose sum is σ = 673121664. Its totient is φ = 185984000.

The previous prime is 384617143. The next prime is 384617147. The reversal of 384617145 is 541716483.

It is an interprime number because it is at equal distance from previous prime (384617143) and next prime (384617147).

It is not a de Polignac number, because 384617145 - 2¹ = 384617143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (384617143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63259 + ... + 69071.

It is an arithmetic number, because the mean of its divisors is an integer number (21035052).

Almost surely, 2^384617145 is an apocalyptic number.

It is an amenable number.

384617145 is a deficient number, since it is larger than the sum of its proper divisors (288504519).

384617145 is a wasteful number, since it uses less digits than its factorization.

384617145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6233.

The product of its digits is 80640, while the sum is 39.

The square root of 384617145 is about 19611.6583949446. The cubic root of 384617145 is about 727.2374130556.

The spelling of 384617145 in words is "three hundred eighty-four million, six hundred seventeen thousand, one hundred forty-five".