381157375 has 16 divisors (see below), whose sum is σ = 486753696. Its totient is φ = 297830400.

The previous prime is 381157367. The next prime is 381157393. The reversal of 381157375 is 573751183.

It is not a de Polignac number, because 381157375 - 2³ = 381157367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30082 + ... + 40831.

It is an arithmetic number, because the mean of its divisors is an integer number (30422106).

Almost surely, 2^381157375 is an apocalyptic number.

381157375 is a deficient number, since it is larger than the sum of its proper divisors (105596321).

381157375 is an equidigital number, since it uses as much as digits as its factorization.

381157375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70971 (or 70961 counting only the distinct ones).

The product of its digits is 88200, while the sum is 40.

The square root of 381157375 is about 19523.2521624856. The cubic root of 381157375 is about 725.0502541463.

The spelling of 381157375 in words is "three hundred eighty-one million, one hundred fifty-seven thousand, three hundred seventy-five".