455144102320144 has 20 divisors (see below), whose sum is σ = 912250032668460. Its totient is φ = 219724739050880.

The previous prime is 455144102320111. The next prime is 455144102320177. The reversal of 455144102320144 is 441023201441554.

It is an interprime number because it is at equal distance from previous prime (455144102320111) and next prime (455144102320177).

It can be written as a sum of positive squares in 2 ways, for example, as 209117975871744 + 246026126448400 = 14460912^2 + 15685220^2 .

It is a junction number, because it is equal to n+sod(n) for n = 455144102320097 and 455144102320106.

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, 490457006347 + ... + 490457007274.

It is an arithmetic number, because the mean of its divisors is an integer number (45612501633423).

Almost surely, 2^{455144102320144} is an apocalyptic number.

It is an amenable number.

455144102320144 is an abundant number, since it is smaller than the sum of its proper divisors (457105930348316).

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

455144102320144 is a wasteful number, since it uses less digits than its factorization.

455144102320144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980914013658 (or 980914013652 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 40.

Adding to 455144102320144 its reverse (441023201441554), we get a palindrome (896167303761698).

The spelling of 455144102320144 in words is "four hundred fifty-five trillion, one hundred forty-four billion, one hundred two million, three hundred twenty thousand, one hundred forty-four".