449144851 has 8 divisors (see below), whose sum is σ = 469751040. Its totient is φ = 428628552.

The previous prime is 449144827. The next prime is 449144863. The reversal of 449144851 is 158441944.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 449144851 - 2¹⁷ = 449013779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449144821) 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 in 7 ways as a sum of consecutive naturals, for example, 12145 + ... + 32338.

It is an arithmetic number, because the mean of its divisors is an integer number (58718880).

Almost surely, 2^449144851 is an apocalyptic number.

449144851 is a deficient number, since it is larger than the sum of its proper divisors (20606189).

449144851 is a wasteful number, since it uses less digits than its factorization.

449144851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44945.

The product of its digits is 92160, while the sum is 40.

The square root of 449144851 is about 21193.0377954648. The cubic root of 449144851 is about 765.8237107011.

The spelling of 449144851 in words is "four hundred forty-nine million, one hundred forty-four thousand, eight hundred fifty-one".