2144142401 has 4 divisors (see below), whose sum is σ = 2184597972. Its totient is φ = 2103686832.

The previous prime is 2144142367. The next prime is 2144142421. The reversal of 2144142401 is 1042414412.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1669948225 + 474194176 = 40865^2 + 21776^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2144142401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144142421) 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, 20227706 + ... + 20227811.

It is an arithmetic number, because the mean of its divisors is an integer number (546149493).

Almost surely, 2^2144142401 is an apocalyptic number.

It is an amenable number.

2144142401 is a deficient number, since it is larger than the sum of its proper divisors (40455571).

2144142401 is an equidigital number, since it uses as much as digits as its factorization.

2144142401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40455570.

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 2144142401 is about 46304.8852822248. The cubic root of 2144142401 is about 1289.4896927935.

Adding to 2144142401 its reverse (1042414412), we get a palindrome (3186556813).

The spelling of 2144142401 in words is "two billion, one hundred forty-four million, one hundred forty-two thousand, four hundred one".