304130153 has 4 divisors (see below), whose sum is σ = 322020180. Its totient is φ = 286240128.

The previous prime is 304130149. The next prime is 304130159. The reversal of 304130153 is 351031403.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 122500624 + 181629529 = 11068^2 + 13477^2 .

It is a cyclic number.

It is not a de Polignac number, because 304130153 - 2² = 304130149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304130159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8944988 + ... + 8945021.

It is an arithmetic number, because the mean of its divisors is an integer number (80505045).

Almost surely, 2^304130153 is an apocalyptic number.

It is an amenable number.

304130153 is a deficient number, since it is larger than the sum of its proper divisors (17890027).

304130153 is a wasteful number, since it uses less digits than its factorization.

304130153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17890026.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 304130153 is about 17439.3277680076. The cubic root of 304130153 is about 672.4910262619.

Adding to 304130153 its reverse (351031403), we get a palindrome (655161556).

The spelling of 304130153 in words is "three hundred four million, one hundred thirty thousand, one hundred fifty-three".