141445391 has 2 divisors, whose sum is σ = 141445392. Its totient is φ = 141445390.

The previous prime is 141445357. The next prime is 141445417. The reversal of 141445391 is 193544141.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 141445391 - 2¹⁸ = 141183247 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141445301) 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, 70722695 + 70722696.

It is an arithmetic number, because the mean of its divisors is an integer number (70722696).

Almost surely, 2^141445391 is an apocalyptic number.

141445391 is a deficient number, since it is larger than the sum of its proper divisors (1).

141445391 is an equidigital number, since it uses as much as digits as its factorization.

141445391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 32.

The square root of 141445391 is about 11893.0816443847. The cubic root of 141445391 is about 521.0302442278.

The spelling of 141445391 in words is "one hundred forty-one million, four hundred forty-five thousand, three hundred ninety-one".