4244020143 has 8 divisors (see below), whose sum is σ = 6173120256. Its totient is φ = 2572133400.

The previous prime is 4244020133. The next prime is 4244020153. The reversal of 4244020143 is 3410204424.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4244020133) and next prime (4244020153).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4244020143 - 2⁴ = 4244020127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4244020133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64303303 + ... + 64303368.

It is an arithmetic number, because the mean of its divisors is an integer number (771640032).

Almost surely, 2^4244020143 is an apocalyptic number.

4244020143 is a deficient number, since it is larger than the sum of its proper divisors (1929100113).

4244020143 is a wasteful number, since it uses less digits than its factorization.

4244020143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128606685.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 4244020143 is about 65146.1444983508. The cubic root of 4244020143 is about 1619.0458414920.

Adding to 4244020143 its reverse (3410204424), we get a palindrome (7654224567).

The spelling of 4244020143 in words is "four billion, two hundred forty-four million, twenty thousand, one hundred forty-three".