1441540141 has 2 divisors, whose sum is σ = 1441540142. Its totient is φ = 1441540140.

The previous prime is 1441540129. The next prime is 1441540169. The reversal of 1441540141 is 1410451441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1441341225 + 198916 = 37965^2 + 446^2 .

It is a cyclic number.

It is not a de Polignac number, because 1441540141 - 2⁹ = 1441539629 is a prime.

It is a super-2 number, since 2×1441540141² = 4156075956228599762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1441540181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720770070 + 720770071.

It is an arithmetic number, because the mean of its divisors is an integer number (720770071).

Almost surely, 2^1441540141 is an apocalyptic number.

It is an amenable number.

1441540141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1441540141 is an equidigital number, since it uses as much as digits as its factorization.

1441540141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 1441540141 is about 37967.6196383181. The cubic root of 1441540141 is about 1129.6456823715.

Adding to 1441540141 its reverse (1410451441), we get a palindrome (2851991582).

The spelling of 1441540141 in words is "one billion, four hundred forty-one million, five hundred forty thousand, one hundred forty-one".