381483645 has 8 divisors (see below), whose sum is σ = 610373856. Its totient is φ = 203457936.

The previous prime is 381483629. The next prime is 381483649. The reversal of 381483645 is 546384183.

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

It is not a de Polignac number, because 381483645 - 2⁴ = 381483629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 381483597 and 381483606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381483649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12716107 + ... + 12716136.

It is an arithmetic number, because the mean of its divisors is an integer number (76296732).

Almost surely, 2^381483645 is an apocalyptic number.

It is an amenable number.

381483645 is a deficient number, since it is larger than the sum of its proper divisors (228890211).

381483645 is a wasteful number, since it uses less digits than its factorization.

381483645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25432251.

The product of its digits is 276480, while the sum is 42.

The square root of 381483645 is about 19531.6063087499. The cubic root of 381483645 is about 725.2570756983.

The spelling of 381483645 in words is "three hundred eighty-one million, four hundred eighty-three thousand, six hundred forty-five".