141309449 has 2 divisors, whose sum is σ = 141309450. Its totient is φ = 141309448.

The previous prime is 141309419. The next prime is 141309461. The reversal of 141309449 is 944903141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135024400 + 6285049 = 11620^2 + 2507^2 .

It is a cyclic number.

It is not a de Polignac number, because 141309449 - 2⁸ = 141309193 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (141309419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70654724 + 70654725.

It is an arithmetic number, because the mean of its divisors is an integer number (70654725).

Almost surely, 2^141309449 is an apocalyptic number.

It is an amenable number.

141309449 is a deficient number, since it is larger than the sum of its proper divisors (1).

141309449 is an equidigital number, since it uses as much as digits as its factorization.

141309449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 141309449 is about 11887.3650991294. The cubic root of 141309449 is about 520.8632714325.

The spelling of 141309449 in words is "one hundred forty-one million, three hundred nine thousand, four hundred forty-nine".