305100242 has 8 divisors (see below), whose sum is σ = 473431500. Its totient is φ = 147289744.

The previous prime is 305100239. The next prime is 305100253. The reversal of 305100242 is 242001503.

It can be written as a sum of positive squares in 2 ways, for example, as 262472401 + 42627841 = 16201^2 + 6529^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 305100242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2630117 + ... + 2630232.

Almost surely, 2^305100242 is an apocalyptic number.

305100242 is a deficient number, since it is larger than the sum of its proper divisors (168331258).

305100242 is a wasteful number, since it uses less digits than its factorization.

305100242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5260380.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 305100242 is about 17467.1188809145. The cubic root of 305100242 is about 673.2052859690.

Adding to 305100242 its reverse (242001503), we get a palindrome (547101745).

The spelling of 305100242 in words is "three hundred five million, one hundred thousand, two hundred forty-two".