304240225145 has 4 divisors (see below), whose sum is σ = 365088270180. Its totient is φ = 243392180112.

The previous prime is 304240225109. The next prime is 304240225147. The reversal of 304240225145 is 541522042403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541522042403 = 480367 ⋅1127309.

It can be written as a sum of positive squares in 2 ways, for example, as 242709934336 + 61530290809 = 492656^2 + 248053^2 .

It is a cyclic number.

It is not a de Polignac number, because 304240225145 - 2¹⁰ = 304240224121 is a prime.

It is a super-2 number, since 2×304240225145² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (304240225147) 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, 30424022510 + ... + 30424022519.

It is an arithmetic number, because the mean of its divisors is an integer number (91272067545).

Almost surely, 2^304240225145 is an apocalyptic number.

It is an amenable number.

304240225145 is a deficient number, since it is larger than the sum of its proper divisors (60848045035).

304240225145 is an equidigital number, since it uses as much as digits as its factorization.

304240225145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60848045034.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 304240225145 its reverse (541522042403), we get a palindrome (845762267548).

The spelling of 304240225145 in words is "three hundred four billion, two hundred forty million, two hundred twenty-five thousand, one hundred forty-five".