2144144442515 has 32 divisors (see below), whose sum is σ = 2641825210752. Its totient is φ = 1669610880000.

The previous prime is 2144144442469. The next prime is 2144144442527. The reversal of 2144144442515 is 5152444414412.

It is not a de Polignac number, because 2144144442515 - 2²⁸ = 2143876007059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian 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, 400697090 + ... + 400702440.

It is an arithmetic number, because the mean of its divisors is an integer number (82557037836).

Almost surely, 2^{2144144442515} is an apocalyptic number.

2144144442515 is a deficient number, since it is larger than the sum of its proper divisors (497680768237).

2144144442515 is a wasteful number, since it uses less digits than its factorization.

2144144442515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9551.

The product of its digits is 409600, while the sum is 41.

Adding to 2144144442515 its reverse (5152444414412), we get a palindrome (7296588856927).

The spelling of 2144144442515 in words is "two trillion, one hundred forty-four billion, one hundred forty-four million, four hundred forty-two thousand, five hundred fifteen".