449046143 has 24 divisors (see below), whose sum is σ = 595646352. Its totient is φ = 334381824.

The previous prime is 449046139. The next prime is 449046163. The reversal of 449046143 is 341640944.

It is not a de Polignac number, because 449046143 - 2² = 449046139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449046163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9905 + ... + 31562.

It is an arithmetic number, because the mean of its divisors is an integer number (24818598).

Almost surely, 2^449046143 is an apocalyptic number.

449046143 is a deficient number, since it is larger than the sum of its proper divisors (146600209).

449046143 is a wasteful number, since it uses less digits than its factorization.

449046143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41511 (or 41504 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 449046143 is about 21190.7088838481. The cubic root of 449046143 is about 765.7676052190.

The spelling of 449046143 in words is "four hundred forty-nine million, forty-six thousand, one hundred forty-three".