304253045 has 8 divisors (see below), whose sum is σ = 365248440. Its totient is φ = 243305920.

The previous prime is 304253021. The next prime is 304253077. The reversal of 304253045 is 540352403.

It can be written as a sum of positive squares in 4 ways, for example, as 44849809 + 259403236 = 6697^2 + 16106^2 .

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

It is not a de Polignac number, because 304253045 - 2¹⁴ = 304236661 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3671 + ... + 24939.

It is an arithmetic number, because the mean of its divisors is an integer number (45656055).

Almost surely, 2^304253045 is an apocalyptic number.

It is an amenable number.

304253045 is a deficient number, since it is larger than the sum of its proper divisors (60995395).

304253045 is a wasteful number, since it uses less digits than its factorization.

304253045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24135.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 304253045 is about 17442.8508277747. The cubic root of 304253045 is about 672.5815934499.

The spelling of 304253045 in words is "three hundred four million, two hundred fifty-three thousand, forty-five".