4155242544143 has 4 divisors (see below), whose sum is σ = 4155647588280. Its totient is φ = 4154837500008.

The previous prime is 4155242544121. The next prime is 4155242544181. The reversal of 4155242544143 is 3414452425514.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4155242544143 - 2¹⁴ = 4155242527759 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4155242544094 and 4155242544103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4155242544113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202506680 + ... + 202527197.

It is an arithmetic number, because the mean of its divisors is an integer number (1038911897070).

Almost surely, 2^{4155242544143} is an apocalyptic number.

4155242544143 is a deficient number, since it is larger than the sum of its proper divisors (405044137).

4155242544143 is a wasteful number, since it uses less digits than its factorization.

4155242544143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405044136.

The product of its digits is 1536000, while the sum is 44.

Adding to 4155242544143 its reverse (3414452425514), we get a palindrome (7569694969657).

The spelling of 4155242544143 in words is "four trillion, one hundred fifty-five billion, two hundred forty-two million, five hundred forty-four thousand, one hundred forty-three".