304225745 has 8 divisors (see below), whose sum is σ = 365547816. Its totient is φ = 243062656.

The previous prime is 304225711. The next prime is 304225759. The reversal of 304225745 is 547522403.

It can be written as a sum of positive squares in 4 ways, for example, as 6697744 + 297528001 = 2588^2 + 17249^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 304225745 - 2¹⁰ = 304224721 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35492 + ... + 43221.

It is an arithmetic number, because the mean of its divisors is an integer number (45693477).

Almost surely, 2^304225745 is an apocalyptic number.

It is an amenable number.

304225745 is a deficient number, since it is larger than the sum of its proper divisors (61322071).

304225745 is an equidigital number, since it uses as much as digits as its factorization.

304225745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79491.

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 304225745 is about 17442.0682546537. The cubic root of 304225745 is about 672.5614763938.

The spelling of 304225745 in words is "three hundred four million, two hundred twenty-five thousand, seven hundred forty-five".