300140465 has 4 divisors (see below), whose sum is σ = 360168564. Its totient is φ = 240112368.

The previous prime is 300140443. The next prime is 300140471. The reversal of 300140465 is 564041003.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 564041003 = 59 ⋅9560017.

It can be written as a sum of positive squares in 2 ways, for example, as 180741136 + 119399329 = 13444^2 + 10927^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-300140465 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 300140465.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30014042 + ... + 30014051.

It is an arithmetic number, because the mean of its divisors is an integer number (90042141).

Almost surely, 2^300140465 is an apocalyptic number.

It is an amenable number.

300140465 is a deficient number, since it is larger than the sum of its proper divisors (60028099).

300140465 is an equidigital number, since it uses as much as digits as its factorization.

300140465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60028098.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 300140465 is about 17324.5624764379. The cubic root of 300140465 is about 669.5374136681.

Adding to 300140465 its reverse (564041003), we get a palindrome (864181468).

The spelling of 300140465 in words is "three hundred million, one hundred forty thousand, four hundred sixty-five".