2144351453456 has 20 divisors (see below), whose sum is σ = 4266969616332. Its totient is φ = 1043198004096.

The previous prime is 2144351453449. The next prime is 2144351453471. The reversal of 2144351453456 is 6543541534412.

It can be written as a sum of positive squares in 2 ways, for example, as 1943001815056 + 201349638400 = 1393916^2 + 448720^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2144351453456.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1811107055 + ... + 1811108238.

Almost surely, 2^{2144351453456} is an apocalyptic number.

It is an amenable number.

2144351453456 is a deficient number, since it is larger than the sum of its proper divisors (2122618162876).

2144351453456 is a wasteful number, since it uses less digits than its factorization.

2144351453456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3622215338 (or 3622215332 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 47.

Adding to 2144351453456 its reverse (6543541534412), we get a palindrome (8687892987868).

The spelling of 2144351453456 in words is "two trillion, one hundred forty-four billion, three hundred fifty-one million, four hundred fifty-three thousand, four hundred fifty-six".