449142 has 8 divisors (see below), whose sum is σ = 898296. Its totient is φ = 149712.

The previous prime is 449131. The next prime is 449149. The reversal of 449142 is 241944.

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

449142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449149) by changing a digit.

449142 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37423 + ... + 37434.

It is an arithmetic number, because the mean of its divisors is an integer number (112287).

2⁴⁴⁹¹⁴² is an apocalyptic number.

449142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

449142 is a wasteful number, since it uses less digits than its factorization.

449142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74862.

The product of its digits is 1152, while the sum is 24.

The square root of 449142 is about 670.1805726817. The cubic root of 449142 is about 76.5822090312.

The spelling of 449142 in words is "four hundred forty-nine thousand, one hundred forty-two".