302420161 has 8 divisors (see below), whose sum is σ = 309687840. Its totient is φ = 295163232.

The previous prime is 302420143. The next prime is 302420171. The reversal of 302420161 is 161024203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-302420161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (302420171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101430 + ... + 104368.

It is an arithmetic number, because the mean of its divisors is an integer number (38710980).

Almost surely, 2^302420161 is an apocalyptic number.

It is an amenable number.

302420161 is a deficient number, since it is larger than the sum of its proper divisors (7267679).

302420161 is a wasteful number, since it uses less digits than its factorization.

302420161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5375.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 302420161 is about 17390.2317695884. The cubic root of 302420161 is about 671.2282815098.

Adding to 302420161 its reverse (161024203), we get a palindrome (463444364).

The spelling of 302420161 in words is "three hundred two million, four hundred twenty thousand, one hundred sixty-one".