2124144444545 has 8 divisors (see below), whose sum is σ = 2549164505280. Its totient is φ = 1699188107760.

The previous prime is 2124144444533. The next prime is 2124144444599. The reversal of 2124144444545 is 5454444414212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2124144444545 - 2¹⁰ = 2124144443521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2124144444496 and 2124144444505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15857621 + ... + 15991010.

It is an arithmetic number, because the mean of its divisors is an integer number (318645563160).

Almost surely, 2^{2124144444545} is an apocalyptic number.

It is an amenable number.

2124144444545 is a deficient number, since it is larger than the sum of its proper divisors (425020060735).

2124144444545 is a wasteful number, since it uses less digits than its factorization.

2124144444545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31861975.

The product of its digits is 1638400, while the sum is 44.

Adding to 2124144444545 its reverse (5454444414212), we get a palindrome (7578588858757).

The spelling of 2124144444545 in words is "two trillion, one hundred twenty-four billion, one hundred forty-four million, four hundred forty-four thousand, five hundred forty-five".