381150539 has 16 divisors (see below), whose sum is σ = 480109056. Its totient is φ = 293932800.

The previous prime is 381150533. The next prime is 381150541. The reversal of 381150539 is 935051183.

It is not a de Polignac number, because 381150539 - 2²⁴ = 364373323 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 381150499 and 381150508.

It is not an unprimeable number, because it can be changed into a prime (381150533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18047 + ... + 32984.

It is an arithmetic number, because the mean of its divisors is an integer number (30006816).

Almost surely, 2^381150539 is an apocalyptic number.

381150539 is a deficient number, since it is larger than the sum of its proper divisors (98958517).

381150539 is a wasteful number, since it uses less digits than its factorization.

381150539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51146.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 381150539 is about 19523.0770884100. The cubic root of 381150539 is about 725.0459195648.

The spelling of 381150539 in words is "three hundred eighty-one million, one hundred fifty thousand, five hundred thirty-nine".