451448 has 8 divisors (see below), whose sum is σ = 846480. Its totient is φ = 225720.

The previous prime is 451441. The next prime is 451481. The reversal of 451448 is 844154.

It is a tau number, because it is divible by the number of its divisors (8).

It is a nialpdrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 451448.

It is not an unprimeable number, because it can be changed into a prime (451441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28208 + ... + 28223.

It is an arithmetic number, because the mean of its divisors is an integer number (105810).

2⁴⁵¹⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

451448 is a deficient number, since it is larger than the sum of its proper divisors (395032).

451448 is a wasteful number, since it uses less digits than its factorization.

451448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56437 (or 56433 counting only the distinct ones).

The product of its digits is 2560, while the sum is 26.

The square root of 451448 is about 671.8988019040. The cubic root of 451448 is about 76.7130490183.

The spelling of 451448 in words is "four hundred fifty-one thousand, four hundred forty-eight".