302145 has 8 divisors (see below), whose sum is σ = 483456. Its totient is φ = 161136.

The previous prime is 302143. The next prime is 302167. The reversal of 302145 is 541203.

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

It is not a de Polignac number, because 302145 - 2¹ = 302143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 20143 = 302145 / (3 + 0 + 2 + 1 + 4 + 5).

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 302145.

It is not an unprimeable number, because it can be changed into a prime (302143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10057 + ... + 10086.

It is an arithmetic number, because the mean of its divisors is an integer number (60432).

2³⁰²¹⁴⁵ is an apocalyptic number.

It is an amenable number.

302145 is a deficient number, since it is larger than the sum of its proper divisors (181311).

302145 is a wasteful number, since it uses less digits than its factorization.

302145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20151.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 302145 is about 549.6771779872. The cubic root of 302145 is about 67.1024644414.

Adding to 302145 its reverse (541203), we get a palindrome (843348).

The spelling of 302145 in words is "three hundred two thousand, one hundred forty-five".