449151 has 4 divisors (see below), whose sum is σ = 598872. Its totient is φ = 299432.

The previous prime is 449149. The next prime is 449153. The reversal of 449151 is 151944.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (449149) and next prime (449153).

It is a cyclic number.

It is not a de Polignac number, because 449151 - 2¹ = 449149 is a prime.

It is a D-number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74856 + ... + 74861.

It is an arithmetic number, because the mean of its divisors is an integer number (149718).

2⁴⁴⁹¹⁵¹ is an apocalyptic number.

449151 is a deficient number, since it is larger than the sum of its proper divisors (149721).

449151 is a wasteful number, since it uses less digits than its factorization.

449151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149720.

The product of its digits is 720, while the sum is 24.

The square root of 449151 is about 670.1872872563. The cubic root of 449151 is about 76.5827205512.

The spelling of 449151 in words is "four hundred forty-nine thousand, one hundred fifty-one".