2438143 has 4 divisors (see below), whose sum is σ = 2494888. Its totient is φ = 2381400.

The previous prime is 2438101. The next prime is 2438153. The reversal of 2438143 is 3418342.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2438143 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 4⁸ + 3 + 8⁵ + 1 + 4⁸ + 3¹¹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2438153) 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, 28308 + ... + 28393.

It is an arithmetic number, because the mean of its divisors is an integer number (623722).

2^2438143 is an apocalyptic number.

2438143 is a deficient number, since it is larger than the sum of its proper divisors (56745).

2438143 is an equidigital number, since it uses as much as digits as its factorization.

2438143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56744.

The product of its digits is 2304, while the sum is 25.

The square root of 2438143 is about 1561.4554108267. The cubic root of 2438143 is about 134.5921481274.

The spelling of 2438143 in words is "two million, four hundred thirty-eight thousand, one hundred forty-three".