2256143542145 has 32 divisors (see below), whose sum is σ = 2897137152000. Its totient is φ = 1681741151424.

The previous prime is 2256143542139. The next prime is 2256143542157. The reversal of 2256143542145 is 5412453416522.

It is a cyclic number.

It is not a de Polignac number, because 2256143542145 - 2¹⁰ = 2256143541121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2256143542096 and 2256143542105.

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 31 ways as a sum of consecutive naturals, for example, 1116806 + ... + 2399904.

It is an arithmetic number, because the mean of its divisors is an integer number (90535536000).

Almost surely, 2^{2256143542145} is an apocalyptic number.

It is an amenable number.

2256143542145 is a deficient number, since it is larger than the sum of its proper divisors (640993609855).

2256143542145 is a wasteful number, since it uses less digits than its factorization.

2256143542145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283429.

The product of its digits is 1152000, while the sum is 44.

Adding to 2256143542145 its reverse (5412453416522), we get a palindrome (7668596958667).

The spelling of 2256143542145 in words is "two trillion, two hundred fifty-six billion, one hundred forty-three million, five hundred forty-two thousand, one hundred forty-five".