387145165 has 32 divisors (see below), whose sum is σ = 549763200. Its totient is φ = 258508800.

The previous prime is 387145151. The next prime is 387145183. The reversal of 387145165 is 561541783.

It is a happy number.

It is not a de Polignac number, because 387145165 - 2⁵ = 387145133 is a prime.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

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, 33286 + ... + 43384.

It is an arithmetic number, because the mean of its divisors is an integer number (17180100).

Almost surely, 2^387145165 is an apocalyptic number.

It is an amenable number.

387145165 is a deficient number, since it is larger than the sum of its proper divisors (162618035).

387145165 is a wasteful number, since it uses less digits than its factorization.

387145165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10173.

The product of its digits is 100800, while the sum is 40.

The square root of 387145165 is about 19676.0048028049. The cubic root of 387145165 is about 728.8272688494.

The spelling of 387145165 in words is "three hundred eighty-seven million, one hundred forty-five thousand, one hundred sixty-five".