306142241 has 16 divisors (see below), whose sum is σ = 325416960. Its totient is φ = 287508480.

The previous prime is 306142223. The next prime is 306142253. The reversal of 306142241 is 142241603.

It is a cyclic number.

It is not a de Polignac number, because 306142241 - 2¹⁰ = 306141217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (306142201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477281 + ... + 477921.

It is an arithmetic number, because the mean of its divisors is an integer number (20338560).

Almost surely, 2^306142241 is an apocalyptic number.

It is an amenable number.

306142241 is a deficient number, since it is larger than the sum of its proper divisors (19274719).

306142241 is a wasteful number, since it uses less digits than its factorization.

306142241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 306142241 is about 17496.9209005470. The cubic root of 306142241 is about 673.9708072309.

Adding to 306142241 its reverse (142241603), we get a palindrome (448383844).

The spelling of 306142241 in words is "three hundred six million, one hundred forty-two thousand, two hundred forty-one".