300442642 has 4 divisors (see below), whose sum is σ = 450663966. Its totient is φ = 150221320.

The previous prime is 300442633. The next prime is 300442643. The reversal of 300442642 is 246244003.

300442642 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 246244003 = 23 ⋅10706261.

It can be written as a sum of positive squares in only one way, i.e., 231070401 + 69372241 = 15201^2 + 8329^2 .

It is a super-2 number, since 2×300442642² = 180531562263880328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (300442643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75110659 + ... + 75110662.

Almost surely, 2^300442642 is an apocalyptic number.

300442642 is a deficient number, since it is larger than the sum of its proper divisors (150221324).

300442642 is a wasteful number, since it uses less digits than its factorization.

300442642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150221323.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 300442642 is about 17333.2813396656. The cubic root of 300442642 is about 669.7620317735.

Adding to 300442642 its reverse (246244003), we get a palindrome (546686645).

The spelling of 300442642 in words is "three hundred million, four hundred forty-two thousand, six hundred forty-two".