141903449 has 2 divisors, whose sum is σ = 141903450. Its totient is φ = 141903448.

The previous prime is 141903439. The next prime is 141903493. The reversal of 141903449 is 944309141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132250000 + 9653449 = 11500^2 + 3107^2 .

It is an emirp because it is prime and its reverse (944309141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 141903449 - 2²⁰ = 140854873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (141903439) 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, 70951724 + 70951725.

It is an arithmetic number, because the mean of its divisors is an integer number (70951725).

Almost surely, 2^141903449 is an apocalyptic number.

It is an amenable number.

141903449 is a deficient number, since it is larger than the sum of its proper divisors (1).

141903449 is an equidigital number, since it uses as much as digits as its factorization.

141903449 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 141903449 is about 11912.3234089744. The cubic root of 141903449 is about 521.5920744954.

The spelling of 141903449 in words is "one hundred forty-one million, nine hundred three thousand, four hundred forty-nine".