2144202543234 has 48 divisors (see below), whose sum is σ = 4652082943872. Its totient is φ = 713763969984.

The previous prime is 2144202543221. The next prime is 2144202543299. The reversal of 2144202543234 is 4323452024412.

2144202543234 is a `hidden beast` number, since 2 + 14 + 4 + 202 + 5 + 432 + 3 + 4 = 666.

It is a super-2 number, since 2×2144202543234² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40162302 + ... + 40215654.

It is an arithmetic number, because the mean of its divisors is an integer number (96918394664).

Almost surely, 2^{2144202543234} is an apocalyptic number.

2144202543234 is an abundant number, since it is smaller than the sum of its proper divisors (2507880400638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2144202543234 is a wasteful number, since it uses less digits than its factorization.

2144202543234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56351 (or 56348 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

Adding to 2144202543234 its reverse (4323452024412), we get a palindrome (6467654567646).

The spelling of 2144202543234 in words is "two trillion, one hundred forty-four billion, two hundred two million, five hundred forty-three thousand, two hundred thirty-four".