306006142 has 16 divisors (see below), whose sum is σ = 494609472. Its totient is φ = 141150240.

The previous prime is 306006139. The next prime is 306006149. The reversal of 306006142 is 241600603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306006149) 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, 74092 + ... + 78112.

It is an arithmetic number, because the mean of its divisors is an integer number (30913092).

Almost surely, 2^306006142 is an apocalyptic number.

306006142 is a deficient number, since it is larger than the sum of its proper divisors (188603330).

306006142 is a wasteful number, since it uses less digits than its factorization.

306006142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6963.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 306006142 is about 17493.0312410400. The cubic root of 306006142 is about 673.8709186424.

Adding to 306006142 its reverse (241600603), we get a palindrome (547606745).

The spelling of 306006142 in words is "three hundred six million, six thousand, one hundred forty-two".