381343045 has 8 divisors (see below), whose sum is σ = 459436320. Its totient is φ = 303858000.

The previous prime is 381343037. The next prime is 381343051. The reversal of 381343045 is 540343183.

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

It is not a de Polignac number, because 381343045 - 2³ = 381343037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 381342998 and 381343016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150675 + ... + 153184.

It is an arithmetic number, because the mean of its divisors is an integer number (57429540).

Almost surely, 2^381343045 is an apocalyptic number.

It is an amenable number.

381343045 is a deficient number, since it is larger than the sum of its proper divisors (78093275).

381343045 is a wasteful number, since it uses less digits than its factorization.

381343045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304115.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 381343045 is about 19528.0066827109. The cubic root of 381343045 is about 725.1679642547.

The spelling of 381343045 in words is "three hundred eighty-one million, three hundred forty-three thousand, forty-five".