306142612 has 6 divisors (see below), whose sum is σ = 535749578. Its totient is φ = 153071304.

The previous prime is 306142609. The next prime is 306142657. The reversal of 306142612 is 216241603.

It can be written as a sum of positive squares in only one way, i.e., 265233796 + 40908816 = 16286^2 + 6396^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38267823 + ... + 38267830.

Almost surely, 2^306142612 is an apocalyptic number.

It is an amenable number.

306142612 is a deficient number, since it is larger than the sum of its proper divisors (229606966).

306142612 is a wasteful number, since it uses less digits than its factorization.

306142612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76535657 (or 76535655 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 306142612 is about 17496.9315024092. The cubic root of 306142612 is about 673.9710794824.

The spelling of 306142612 in words is "three hundred six million, one hundred forty-two thousand, six hundred twelve".