381453382 has 8 divisors (see below), whose sum is σ = 573088752. Its totient is φ = 190423800.

The previous prime is 381453353. The next prime is 381453389. The reversal of 381453382 is 283354183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381453389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149869 + ... + 152392.

It is an arithmetic number, because the mean of its divisors is an integer number (71636094).

Almost surely, 2^381453382 is an apocalyptic number.

381453382 is a deficient number, since it is larger than the sum of its proper divisors (191635370).

381453382 is a wasteful number, since it uses less digits than its factorization.

381453382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302894.

The product of its digits is 69120, while the sum is 37.

The square root of 381453382 is about 19530.8315747180. The cubic root of 381453382 is about 725.2378970384.

The spelling of 381453382 in words is "three hundred eighty-one million, four hundred fifty-three thousand, three hundred eighty-two".