302144141 has 4 divisors (see below), whose sum is σ = 325386012. Its totient is φ = 278902272.

The previous prime is 302144113. The next prime is 302144147. The reversal of 302144141 is 141441203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 91604041 + 210540100 = 9571^2 + 14510^2 .

It is a cyclic number.

It is not a de Polignac number, because 302144141 - 2¹⁸ = 301881997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302144147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11620916 + ... + 11620941.

It is an arithmetic number, because the mean of its divisors is an integer number (81346503).

Almost surely, 2^302144141 is an apocalyptic number.

It is an amenable number.

302144141 is a deficient number, since it is larger than the sum of its proper divisors (23241871).

302144141 is a wasteful number, since it uses less digits than its factorization.

302144141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23241870.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 302144141 is about 17382.2938934998. The cubic root of 302144141 is about 671.0240085048.

Adding to 302144141 its reverse (141441203), we get a palindrome (443585344).

The spelling of 302144141 in words is "three hundred two million, one hundred forty-four thousand, one hundred forty-one".