300142143 has 24 divisors (see below), whose sum is σ = 503601696. Its totient is φ = 168696000.

The previous prime is 300142109. The next prime is 300142147. The reversal of 300142143 is 341241003.

It is not a de Polignac number, because 300142143 - 2⁶ = 300142079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300142147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35208 + ... + 42893.

It is an arithmetic number, because the mean of its divisors is an integer number (20983404).

Almost surely, 2^300142143 is an apocalyptic number.

300142143 is a deficient number, since it is larger than the sum of its proper divisors (203459553).

300142143 is a wasteful number, since it uses less digits than its factorization.

300142143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78175 (or 78172 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 300142143 is about 17324.6109047216. The cubic root of 300142143 is about 669.5386613969.

Adding to 300142143 its reverse (341241003), we get a palindrome (641383146).

The spelling of 300142143 in words is "three hundred million, one hundred forty-two thousand, one hundred forty-three".