141776641 has 2 divisors, whose sum is σ = 141776642. Its totient is φ = 141776640.

The previous prime is 141776599. The next prime is 141776659. The reversal of 141776641 is 146677141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123321025 + 18455616 = 11105^2 + 4296^2 .

It is a cyclic number.

It is not a de Polignac number, because 141776641 - 2¹¹ = 141774593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 141776641.

It is not a weakly prime, because it can be changed into another prime (141774641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70888320 + 70888321.

It is an arithmetic number, because the mean of its divisors is an integer number (70888321).

Almost surely, 2^141776641 is an apocalyptic number.

It is an amenable number.

141776641 is a deficient number, since it is larger than the sum of its proper divisors (1).

141776641 is an equidigital number, since it uses as much as digits as its factorization.

141776641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 37.

The square root of 141776641 is about 11906.9996640632. Note that the first 3 decimals coincide. The cubic root of 141776641 is about 521.4366595284.

The spelling of 141776641 in words is "one hundred forty-one million, seven hundred seventy-six thousand, six hundred forty-one".