2144351453455 has 32 divisors (see below), whose sum is σ = 2638472828544. Its totient is φ = 1672687435776.

The previous prime is 2144351453449. The next prime is 2144351453471. The reversal of 2144351453455 is 5543541534412.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2144351453455 - 2²⁹ = 2143814582543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9035289 + ... + 9269581.

It is an arithmetic number, because the mean of its divisors is an integer number (82452275892).

Almost surely, 2^{2144351453455} is an apocalyptic number.

2144351453455 is a deficient number, since it is larger than the sum of its proper divisors (494121375089).

2144351453455 is a wasteful number, since it uses less digits than its factorization.

2144351453455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234675.

The product of its digits is 2880000, while the sum is 46.

Adding to 2144351453455 its reverse (5543541534412), we get a palindrome (7687892987867).

The spelling of 2144351453455 in words is "two trillion, one hundred forty-four billion, three hundred fifty-one million, four hundred fifty-three thousand, four hundred fifty-five".