2143135444455 has 12 divisors (see below), whose sum is σ = 3714768103800. Its totient is φ = 1143005570352.

The previous prime is 2143135444363. The next prime is 2143135444511. The reversal of 2143135444455 is 5544445313412.

2143135444455 is a `hidden beast` number, since 2 + 1 + 4 + 3 + 13 + 544 + 44 + 55 = 666.

It is not a de Polignac number, because 2143135444455 - 2⁸ = 2143135444199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 47625232099 = 2143135444455 / (2 + 1 + 4 + 3 + 1 + 3 + 5 + 4 + 4 + 4 + 4 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 2143135444455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23812616005 + ... + 23812616094.

It is an arithmetic number, because the mean of its divisors is an integer number (309564008650).

Almost surely, 2^{2143135444455} is an apocalyptic number.

2143135444455 is a deficient number, since it is larger than the sum of its proper divisors (1571632659345).

2143135444455 is a wasteful number, since it uses less digits than its factorization.

2143135444455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47625232110 (or 47625232107 counting only the distinct ones).

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

The spelling of 2143135444455 in words is "two trillion, one hundred forty-three billion, one hundred thirty-five million, four hundred forty-four thousand, four hundred fifty-five".