2143146441 has 8 divisors (see below), whose sum is σ = 2885272000. Its totient is φ = 1414892592.

The previous prime is 2143146437. The next prime is 2143146443. The reversal of 2143146441 is 1446413412.

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

It is not a de Polignac number, because 2143146441 - 2² = 2143146437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2143146399 and 2143146408.

It is not an unprimeable number, because it can be changed into a prime (2143146443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3467566 + ... + 3468183.

It is an arithmetic number, because the mean of its divisors is an integer number (360659000).

Almost surely, 2^2143146441 is an apocalyptic number.

It is an amenable number.

2143146441 is a deficient number, since it is larger than the sum of its proper divisors (742125559).

2143146441 is a wasteful number, since it uses less digits than its factorization.

2143146441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6935855.

The product of its digits is 9216, while the sum is 30.

The square root of 2143146441 is about 46294.1296602496. The cubic root of 2143146441 is about 1289.2900047106.

Adding to 2143146441 its reverse (1446413412), we get a palindrome (3589559853).

The spelling of 2143146441 in words is "two billion, one hundred forty-three million, one hundred forty-six thousand, four hundred forty-one".