300140242 has 4 divisors (see below), whose sum is σ = 450210366. Its totient is φ = 150070120.

The previous prime is 300140221. The next prime is 300140251. The reversal of 300140242 is 242041003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242041003 = 977 ⋅247739.

It can be written as a sum of positive squares in only one way, i.e., 300017041 + 123201 = 17321^2 + 351^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75035059 + ... + 75035062.

Almost surely, 2^300140242 is an apocalyptic number.

300140242 is a deficient number, since it is larger than the sum of its proper divisors (150070124).

300140242 is a wasteful number, since it uses less digits than its factorization.

300140242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150070123.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 300140242 is about 17324.5560404877. The cubic root of 300140242 is about 669.5372478493.

Adding to 300140242 its reverse (242041003), we get a palindrome (542181245).

The spelling of 300140242 in words is "three hundred million, one hundred forty thousand, two hundred forty-two".