387145164 has 48 divisors (see below), whose sum is σ = 1033820928. Its totient is φ = 110459328.

The previous prime is 387145151. The next prime is 387145183. The reversal of 387145164 is 461541783.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66682 + ... + 72254.

It is an arithmetic number, because the mean of its divisors is an integer number (21537936).

Almost surely, 2^387145164 is an apocalyptic number.

It is an amenable number.

387145164 is an abundant number, since it is smaller than the sum of its proper divisors (646675764).

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

387145164 is a wasteful number, since it uses less digits than its factorization.

387145164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6414 (or 6412 counting only the distinct ones).

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

The square root of 387145164 is about 19676.0047773932. The cubic root of 387145164 is about 728.8272682218.

The spelling of 387145164 in words is "three hundred eighty-seven million, one hundred forty-five thousand, one hundred sixty-four".