141864641 has 2 divisors, whose sum is σ = 141864642. Its totient is φ = 141864640.

The previous prime is 141864637. The next prime is 141864647. The reversal of 141864641 is 146468141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137007025 + 4857616 = 11705^2 + 2204^2 .

It is a cyclic number.

It is not a de Polignac number, because 141864641 - 2² = 141864637 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (141864647) 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, 70932320 + 70932321.

It is an arithmetic number, because the mean of its divisors is an integer number (70932321).

Almost surely, 2^141864641 is an apocalyptic number.

It is an amenable number.

141864641 is a deficient number, since it is larger than the sum of its proper divisors (1).

141864641 is an equidigital number, since it uses as much as digits as its factorization.

141864641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 35.

The square root of 141864641 is about 11910.6943962138. The cubic root of 141864641 is about 521.5445215268.

The spelling of 141864641 in words is "one hundred forty-one million, eight hundred sixty-four thousand, six hundred forty-one".