381148 has 6 divisors (see below), whose sum is σ = 667016. Its totient is φ = 190572.

The previous prime is 381103. The next prime is 381167. The reversal of 381148 is 841183.

It is a congruent number.

It is an unprimeable number.

381148 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47640 + ... + 47647.

2³⁸¹¹⁴⁸ is an apocalyptic number.

It is an amenable number.

381148 is a deficient number, since it is larger than the sum of its proper divisors (285868).

381148 is a wasteful number, since it uses less digits than its factorization.

381148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95291 (or 95289 counting only the distinct ones).

The product of its digits is 768, while the sum is 25.

The square root of 381148 is about 617.3718490505. The cubic root of 381148 is about 72.5044309618.

It can be divided in two parts, 381 and 148, that added together give a square (529 = 23²).

The spelling of 381148 in words is "three hundred eighty-one thousand, one hundred forty-eight".