300243505455 has 24 divisors (see below), whose sum is σ = 520444886208. Its totient is φ = 160122851136.

The previous prime is 300243505451. The next prime is 300243505493. The reversal of 300243505455 is 554505342003.

It is not a de Polignac number, because 300243505455 - 2² = 300243505451 is a prime.

It is a super-2 number, since 2×300243505455² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300243505451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 988689 + ... + 1256181.

It is an arithmetic number, because the mean of its divisors is an integer number (21685203592).

Almost surely, 2^300243505455 is an apocalyptic number.

300243505455 is a deficient number, since it is larger than the sum of its proper divisors (220201380753).

300243505455 is a wasteful number, since it uses less digits than its factorization.

300243505455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292447 (or 292444 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 36.

Adding to 300243505455 its reverse (554505342003), we get a palindrome (854748847458).

The spelling of 300243505455 in words is "three hundred billion, two hundred forty-three million, five hundred five thousand, four hundred fifty-five".