388145228275 has 96 divisors (see below), whose sum is σ = 597976171520. Its totient is φ = 243964224000.

The previous prime is 388145228249. The next prime is 388145228287. The reversal of 388145228275 is 572822541883.

It is a happy number.

It is not a de Polignac number, because 388145228275 - 2⁹ = 388145227763 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 22258810 + ... + 22276240.

Almost surely, 2^388145228275 is an apocalyptic number.

388145228275 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

388145228275 is a deficient number, since it is larger than the sum of its proper divisors (209830943245).

388145228275 is a wasteful number, since it uses less digits than its factorization.

388145228275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17685 (or 17680 counting only the distinct ones).

The product of its digits is 8601600, while the sum is 55.

The spelling of 388145228275 in words is "three hundred eighty-eight billion, one hundred forty-five million, two hundred twenty-eight thousand, two hundred seventy-five".