300030142 has 16 divisors (see below), whose sum is σ = 458471520. Its totient is φ = 147232512.

The previous prime is 300030113. The next prime is 300030149. The reversal of 300030142 is 241030003.

It is a super-2 number, since 2×300030142² = 180036172217080328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300030149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16834 + ... + 29722.

It is an arithmetic number, because the mean of its divisors is an integer number (28654470).

Almost surely, 2^300030142 is an apocalyptic number.

300030142 is a deficient number, since it is larger than the sum of its proper divisors (158441378).

300030142 is a wasteful number, since it uses less digits than its factorization.

300030142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13107.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 300030142 is about 17321.3781784245. The cubic root of 300030142 is about 669.4553693847.

Adding to 300030142 its reverse (241030003), we get a palindrome (541060145).

The spelling of 300030142 in words is "three hundred million, thirty thousand, one hundred forty-two".