305152306 has 4 divisors (see below), whose sum is σ = 457728462. Its totient is φ = 152576152.

The previous prime is 305152303. The next prime is 305152327. The reversal of 305152306 is 603251503.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 603251503 = 1031 ⋅585113.

It can be written as a sum of positive squares in only one way, i.e., 235346281 + 69806025 = 15341^2 + 8355^2 .

It is not an unprimeable number, because it can be changed into a prime (305152301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76288075 + ... + 76288078.

Almost surely, 2^305152306 is an apocalyptic number.

305152306 is a deficient number, since it is larger than the sum of its proper divisors (152576156).

305152306 is a wasteful number, since it uses less digits than its factorization.

305152306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152576155.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 305152306 is about 17468.6091604340. The cubic root of 305152306 is about 673.2435769542.

The spelling of 305152306 in words is "three hundred five million, one hundred fifty-two thousand, three hundred six".