101449 has 2 divisors, whose sum is σ = 101450. Its totient is φ = 101448.

The previous prime is 101429. The next prime is 101467. The reversal of 101449 is 944101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90000 + 11449 = 300^2 + 107^2 .

It is a cyclic number.

It is not a de Polignac number, because 101449 - 2⁹ = 100937 is a prime.

It is not a weakly prime, because it can be changed into another prime (101419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50724 + 50725.

It is an arithmetic number, because the mean of its divisors is an integer number (50725).

2¹⁰¹⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

101449 is a deficient number, since it is larger than the sum of its proper divisors (1).

101449 is an equidigital number, since it uses as much as digits as its factorization.

101449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 101449 is about 318.5105963700. The cubic root of 101449 is about 46.6390028786.

It can be divided in two parts, 10144 and 9, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 101449 in words is "one hundred one thousand, four hundred forty-nine".