305050245 has 32 divisors (see below), whose sum is σ = 499156992. Its totient is φ = 159025152.

The previous prime is 305050223. The next prime is 305050247. The reversal of 305050245 is 542050503.

It is not a de Polignac number, because 305050245 - 2⁹ = 305049733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305050247) 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 31 ways as a sum of consecutive naturals, for example, 280092 + ... + 281178.

It is an arithmetic number, because the mean of its divisors is an integer number (15598656).

Almost surely, 2^305050245 is an apocalyptic number.

It is an amenable number.

305050245 is a deficient number, since it is larger than the sum of its proper divisors (194106747).

305050245 is a wasteful number, since it uses less digits than its factorization.

305050245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 305050245 is about 17465.6876474990. The cubic root of 305050245 is about 673.1685110792.

The spelling of 305050245 in words is "three hundred five million, fifty thousand, two hundred forty-five".