306142342 has 12 divisors (see below), whose sum is σ = 504755748. Its totient is φ = 139155500.

The previous prime is 306142337. The next prime is 306142373. The reversal of 306142342 is 243241603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 632284 + ... + 632767.

It is an arithmetic number, because the mean of its divisors is an integer number (42062979).

Almost surely, 2^306142342 is an apocalyptic number.

306142342 is a deficient number, since it is larger than the sum of its proper divisors (198613406).

306142342 is a wasteful number, since it uses less digits than its factorization.

306142342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265075 (or 1265064 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 306142342 is about 17496.9237867689. The cubic root of 306142342 is about 673.9708813479.

Adding to 306142342 its reverse (243241603), we get a palindrome (549383945).

The spelling of 306142342 in words is "three hundred six million, one hundred forty-two thousand, three hundred forty-two".