304156 has 6 divisors (see below), whose sum is σ = 532280. Its totient is φ = 152076.

The previous prime is 304153. The next prime is 304163. The reversal of 304156 is 651403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38016 + ... + 38023.

2³⁰⁴¹⁵⁶ is an apocalyptic number.

It is an amenable number.

304156 is a deficient number, since it is larger than the sum of its proper divisors (228124).

304156 is a wasteful number, since it uses less digits than its factorization.

304156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76043 (or 76041 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 304156 is about 551.5033998082. The cubic root of 304156 is about 67.2510076640.

Adding to 304156 its reverse (651403), we get a palindrome (955559).

It can be divided in two parts, 30 and 4156, that added together give a triangular number (4186 = T₉₁).

The spelling of 304156 in words is "three hundred four thousand, one hundred fifty-six".