381548152 has 16 divisors (see below), whose sum is σ = 715744440. Its totient is φ = 190682976.

The previous prime is 381548147. The next prime is 381548161. The reversal of 381548152 is 251845183.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8443 + ... + 28885.

Almost surely, 2^381548152 is an apocalyptic number.

It is an amenable number.

381548152 is a deficient number, since it is larger than the sum of its proper divisors (334196288).

381548152 is a wasteful number, since it uses less digits than its factorization.

381548152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22782 (or 22778 counting only the distinct ones).

The product of its digits is 38400, while the sum is 37.

The square root of 381548152 is about 19533.2575880215. The cubic root of 381548152 is about 725.2979525241.

The spelling of 381548152 in words is "three hundred eighty-one million, five hundred forty-eight thousand, one hundred fifty-two".