300111142 has 4 divisors (see below), whose sum is σ = 450166716. Its totient is φ = 150055570.

The previous prime is 300111131. The next prime is 300111143. The reversal of 300111142 is 241111003.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300111143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75027784 + ... + 75027787.

It is an arithmetic number, because the mean of its divisors is an integer number (112541679).

Almost surely, 2^300111142 is an apocalyptic number.

300111142 is a deficient number, since it is larger than the sum of its proper divisors (150055574).

300111142 is a wasteful number, since it uses less digits than its factorization.

300111142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150055573.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 300111142 is about 17323.7161717687. The cubic root of 300111142 is about 669.5156088942.

Adding to 300111142 its reverse (241111003), we get a palindrome (541222145).

The spelling of 300111142 in words is "three hundred million, one hundred eleven thousand, one hundred forty-two".