305741242 has 16 divisors (see below), whose sum is σ = 462017952. Its totient is φ = 151739280.

The previous prime is 305741201. The next prime is 305741263. The reversal of 305741242 is 242147503.

It is a self number, because there is not a number n which added to its sum of digits gives 305741242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271693 + ... + 272815.

It is an arithmetic number, because the mean of its divisors is an integer number (28876122).

Almost surely, 2^305741242 is an apocalyptic number.

305741242 is a deficient number, since it is larger than the sum of its proper divisors (156276710).

305741242 is a wasteful number, since it uses less digits than its factorization.

305741242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 305741242 is about 17485.4580151622. The cubic root of 305741242 is about 673.6764128070.

Adding to 305741242 its reverse (242147503), we get a palindrome (547888745).

The spelling of 305741242 in words is "three hundred five million, seven hundred forty-one thousand, two hundred forty-two".