455243645124 has 18 divisors (see below), whose sum is σ = 1150754769710. Its totient is φ = 151747881696.

The previous prime is 455243645089. The next prime is 455243645239. The reversal of 455243645124 is 421546342554.

It is a happy number.

455243645124 is a `hidden beast` number, since 4 + 5 + 52 + 436 + 45 + 124 = 666.

It can be written as a sum of positive squares in only one way, i.e., 295970817024 + 159272828100 = 544032^2 + 399090^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×455243645124³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 455243645124.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6322828369 + ... + 6322828440.

Almost surely, 2^455243645124 is an apocalyptic number.

It is an amenable number.

455243645124 is an abundant number, since it is smaller than the sum of its proper divisors (695511124586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

455243645124 is a wasteful number, since it uses less digits than its factorization.

455243645124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12645656819 (or 12645656814 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 45.

Adding to 455243645124 its reverse (421546342554), we get a palindrome (876789987678).

The spelling of 455243645124 in words is "four hundred fifty-five billion, two hundred forty-three million, six hundred forty-five thousand, one hundred twenty-four".