201040144 has 10 divisors (see below), whose sum is σ = 389515310. Its totient is φ = 100520064.

The previous prime is 201040127. The next prime is 201040153. The reversal of 201040144 is 441040102.

201040144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 153264400 + 47775744 = 12380^2 + 6912^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 12565009 = 201040144 / (2 + 0 + 1 + 0 + 4 + 0 + 1 + 4 + 4).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6282489 + ... + 6282520.

It is an arithmetic number, because the mean of its divisors is an integer number (38951531).

Almost surely, 2^201040144 is an apocalyptic number.

It is an amenable number.

201040144 is a deficient number, since it is larger than the sum of its proper divisors (188475166).

201040144 is a wasteful number, since it uses less digits than its factorization.

201040144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12565017 (or 12565011 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 201040144 is about 14178.8625777952. The cubic root of 201040144 is about 585.8155950420.

Adding to 201040144 its reverse (441040102), we get a palindrome (642080246).

The spelling of 201040144 in words is "two hundred one million, forty thousand, one hundred forty-four".