4144246143 has 4 divisors (see below), whose sum is σ = 5525661528. Its totient is φ = 2762830760.

The previous prime is 4144246109. The next prime is 4144246159. The reversal of 4144246143 is 3416424414.

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 4144246143 - 2⁹ = 4144245631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4144246343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690707688 + ... + 690707693.

It is an arithmetic number, because the mean of its divisors is an integer number (1381415382).

Almost surely, 2^4144246143 is an apocalyptic number.

4144246143 is a deficient number, since it is larger than the sum of its proper divisors (1381415385).

4144246143 is a wasteful number, since it uses less digits than its factorization.

4144246143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381415384.

The product of its digits is 36864, while the sum is 33.

The square root of 4144246143 is about 64375.8195520647. The cubic root of 4144246143 is about 1606.2575449226.

The spelling of 4144246143 in words is "four billion, one hundred forty-four million, two hundred forty-six thousand, one hundred forty-three".