305132 has 6 divisors (see below), whose sum is σ = 533988. Its totient is φ = 152564.

The previous prime is 305131. The next prime is 305143. The reversal of 305132 is 231503.

It is not an unprimeable number, because it can be changed into a prime (305131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38138 + ... + 38145.

It is an arithmetic number, because the mean of its divisors is an integer number (88998).

2³⁰⁵¹³² is an apocalyptic number.

It is an amenable number.

305132 is a deficient number, since it is larger than the sum of its proper divisors (228856).

305132 is a wasteful number, since it uses less digits than its factorization.

305132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76287 (or 76285 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 305132 is about 552.3875451167. The cubic root of 305132 is about 67.3228643223.

Adding to 305132 its reverse (231503), we get a palindrome (536635).

The spelling of 305132 in words is "three hundred five thousand, one hundred thirty-two".