305344146 has 8 divisors (see below), whose sum is σ = 610688304. Its totient is φ = 101781380.

The previous prime is 305344139. The next prime is 305344147. The reversal of 305344146 is 641443503.

It is a sphenic number, since it is the product of 3 distinct primes.

305344146 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (305344147) 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 3 ways as a sum of consecutive naturals, for example, 25445340 + ... + 25445351.

It is an arithmetic number, because the mean of its divisors is an integer number (76336038).

Almost surely, 2^305344146 is an apocalyptic number.

305344146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

305344146 is a wasteful number, since it uses less digits than its factorization.

305344146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50890696.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 305344146 is about 17474.0992900922. The cubic root of 305344146 is about 673.3846300058.

Adding to 305344146 its reverse (641443503), we get a palindrome (946787649).

The spelling of 305344146 in words is "three hundred five million, three hundred forty-four thousand, one hundred forty-six".