304764145 has 32 divisors (see below), whose sum is σ = 438939648. Its totient is φ = 198610368.

The previous prime is 304764143. The next prime is 304764149. The reversal of 304764145 is 541467403.

It is a cyclic number.

It is not a de Polignac number, because 304764145 - 2¹ = 304764143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 304764145.

It is not an unprimeable number, because it can be changed into a prime (304764143) 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 31 ways as a sum of consecutive naturals, for example, 133302 + ... + 135568.

It is an arithmetic number, because the mean of its divisors is an integer number (13716864).

Almost surely, 2^304764145 is an apocalyptic number.

304764145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

304764145 is a deficient number, since it is larger than the sum of its proper divisors (134175503).

304764145 is a wasteful number, since it uses less digits than its factorization.

304764145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 304764145 is about 17457.4953816405. The cubic root of 304764145 is about 672.9579952102.

The spelling of 304764145 in words is "three hundred four million, seven hundred sixty-four thousand, one hundred forty-five".