381154 has 4 divisors (see below), whose sum is σ = 571734. Its totient is φ = 190576.

The previous prime is 381103. The next prime is 381167. The reversal of 381154 is 451183.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 366025 + 15129 = 605^2 + 123^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95287 + ... + 95290.

2³⁸¹¹⁵⁴ is an apocalyptic number.

381154 is a deficient number, since it is larger than the sum of its proper divisors (190580).

381154 is a wasteful number, since it uses less digits than its factorization.

381154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190579.

The product of its digits is 480, while the sum is 22.

The square root of 381154 is about 617.3767083394. The cubic root of 381154 is about 72.5048114128.

It can be divided in two parts, 381 and 154, that added together give a palindrome (535).

The spelling of 381154 in words is "three hundred eighty-one thousand, one hundred fifty-four".