300143442 has 32 divisors (see below), whose sum is σ = 614510208. Its totient is φ = 97704576.

The previous prime is 300143413. The next prime is 300143461. The reversal of 300143442 is 244341003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41788 + ... + 48440.

It is an arithmetic number, because the mean of its divisors is an integer number (19203444).

Almost surely, 2^300143442 is an apocalyptic number.

300143442 is an abundant number, since it is smaller than the sum of its proper divisors (314366766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

300143442 is a wasteful number, since it uses less digits than its factorization.

300143442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6834.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 300143442 is about 17324.6483947005. The cubic root of 300143442 is about 669.5396273053.

Adding to 300143442 its reverse (244341003), we get a palindrome (544484445).

The spelling of 300143442 in words is "three hundred million, one hundred forty-three thousand, four hundred forty-two".