306407142 has 24 divisors (see below), whose sum is σ = 664228344. Its totient is φ = 102082464.

The previous prime is 306407107. The next prime is 306407149. The reversal of 306407142 is 241704603.

306407142 is a `hidden beast` number, since 3 + 0 + 640 + 7 + 14 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306407149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47418 + ... + 53490.

It is an arithmetic number, because the mean of its divisors is an integer number (27676181).

Almost surely, 2^306407142 is an apocalyptic number.

306407142 is an abundant number, since it is smaller than the sum of its proper divisors (357821202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

306407142 is a wasteful number, since it uses less digits than its factorization.

306407142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8884 (or 8881 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 306407142 is about 17504.4891956321. The cubic root of 306407142 is about 674.1651439877.

The spelling of 306407142 in words is "three hundred six million, four hundred seven thousand, one hundred forty-two".