141640441 has 2 divisors, whose sum is σ = 141640442. Its totient is φ = 141640440.

The previous prime is 141640427. The next prime is 141640483. The reversal of 141640441 is 144046141.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139736041 + 1904400 = 11821^2 + 1380^2 .

It is an emirp because it is prime and its reverse (144046141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 141640441 - 2²¹ = 139543289 is a prime.

It is not a weakly prime, because it can be changed into another prime (141649441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70820220 + 70820221.

It is an arithmetic number, because the mean of its divisors is an integer number (70820221).

Almost surely, 2^141640441 is an apocalyptic number.

It is an amenable number.

141640441 is a deficient number, since it is larger than the sum of its proper divisors (1).

141640441 is an equidigital number, since it uses as much as digits as its factorization.

141640441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 141640441 is about 11901.2789648844. The cubic root of 141640441 is about 521.2696305389.

Adding to 141640441 its reverse (144046141), we get a palindrome (285686582).

The spelling of 141640441 in words is "one hundred forty-one million, six hundred forty thousand, four hundred forty-one".