302042845 has 16 divisors (see below), whose sum is σ = 392504112. Its totient is φ = 221806080.

The previous prime is 302042789. The next prime is 302042849. The reversal of 302042845 is 548240203.

It can be written as a sum of positive squares in 8 ways, for example, as 49042009 + 253000836 = 7003^2 + 15906^2 .

It is not a de Polignac number, because 302042845 - 2⁷ = 302042717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302042849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1072 + ... + 24601.

It is an arithmetic number, because the mean of its divisors is an integer number (24531507).

Almost surely, 2^302042845 is an apocalyptic number.

It is an amenable number.

302042845 is a deficient number, since it is larger than the sum of its proper divisors (90461267).

302042845 is a wasteful number, since it uses less digits than its factorization.

302042845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25872.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 302042845 is about 17379.3798796160. The cubic root of 302042845 is about 670.9490115788.

The spelling of 302042845 in words is "three hundred two million, forty-two thousand, eight hundred forty-five".