305232141 has 16 divisors (see below), whose sum is σ = 415316160. Its totient is φ = 199330560.

The previous prime is 305232121. The next prime is 305232173. The reversal of 305232141 is 141232503.

It is not a de Polignac number, because 305232141 - 2¹⁵ = 305199373 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305232121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138990 + ... + 141168.

It is an arithmetic number, because the mean of its divisors is an integer number (25957260).

Almost surely, 2^305232141 is an apocalyptic number.

It is an amenable number.

305232141 is a deficient number, since it is larger than the sum of its proper divisors (110084019).

305232141 is a wasteful number, since it uses less digits than its factorization.

305232141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3116.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 305232141 is about 17470.8941099189. The cubic root of 305232141 is about 673.3022839379.

Adding to 305232141 its reverse (141232503), we get a palindrome (446464644).

The spelling of 305232141 in words is "three hundred five million, two hundred thirty-two thousand, one hundred forty-one".