4142543504225 has 24 divisors (see below), whose sum is σ = 5881308387648. Its totient is φ = 2835408139200.

The previous prime is 4142543504221. The next prime is 4142543504303. The reversal of 4142543504225 is 5224053452414.

It is not a de Polignac number, because 4142543504225 - 2² = 4142543504221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4142543504221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21542006 + ... + 21733455.

It is an arithmetic number, because the mean of its divisors is an integer number (245054516152).

Almost surely, 2^{4142543504225} is an apocalyptic number.

It is an amenable number.

4142543504225 is a deficient number, since it is larger than the sum of its proper divisors (1738764883423).

4142543504225 is a wasteful number, since it uses less digits than its factorization.

4142543504225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43276025 (or 43276020 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 41.

Adding to 4142543504225 its reverse (5224053452414), we get a palindrome (9366596956639).

The spelling of 4142543504225 in words is "four trillion, one hundred forty-two billion, five hundred forty-three million, five hundred four thousand, two hundred twenty-five".