201144142322 has 18 divisors (see below), whose sum is σ = 302995519533. Its totient is φ = 100147432752.

The previous prime is 201144142301. The next prime is 201144142349. The reversal of 201144142322 is 223241441102.

It can be written as a sum of positive squares in 2 ways, for example, as 137306561401 + 63837580921 = 370549^2 + 252661^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=317131.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201144142291 and 201144142300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 194717918 + ... + 194718950.

Almost surely, 2^201144142322 is an apocalyptic number.

201144142322 is a deficient number, since it is larger than the sum of its proper divisors (101851377211).

201144142322 is an frugal number, since it uses more digits than its factorization.

201144142322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682 (or 1342 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 201144142322 its reverse (223241441102), we get a palindrome (424385583424).

The spelling of 201144142322 in words is "two hundred one billion, one hundred forty-four million, one hundred forty-two thousand, three hundred twenty-two".