202144441 has 4 divisors (see below), whose sum is σ = 202173300. Its totient is φ = 202115584.

The previous prime is 202144429. The next prime is 202144451. The reversal of 202144441 is 144441202.

202144441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 144441202 = 2 ⋅72220601.

It can be written as a sum of positive squares in 2 ways, for example, as 11594025 + 190550416 = 3405^2 + 13804^2 .

It is a cyclic number.

It is not a de Polignac number, because 202144441 - 2⁵ = 202144409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202144451) 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, 3525 + ... + 20413.

It is an arithmetic number, because the mean of its divisors is an integer number (50543325).

Almost surely, 2^202144441 is an apocalyptic number.

It is an amenable number.

202144441 is a deficient number, since it is larger than the sum of its proper divisors (28859).

202144441 is a wasteful number, since it uses less digits than its factorization.

202144441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28858.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 202144441 is about 14217.7509121520. The cubic root of 202144441 is about 586.8862494068.

Adding to 202144441 its reverse (144441202), we get a palindrome (346585643).

The spelling of 202144441 in words is "two hundred two million, one hundred forty-four thousand, four hundred forty-one".