451446 has 16 divisors (see below), whose sum is σ = 917184. Its totient is φ = 148104.

The previous prime is 451441. The next prime is 451481. The reversal of 451446 is 644154.

451446 = 94² + 95² + ... + 129².

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 (451441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160 + ... + 963.

It is an arithmetic number, because the mean of its divisors is an integer number (57324).

2⁴⁵¹⁴⁴⁶ is an apocalyptic number.

451446 is an abundant number, since it is smaller than the sum of its proper divisors (465738).

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

451446 is a wasteful number, since it uses less digits than its factorization.

451446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195.

The product of its digits is 1920, while the sum is 24.

The square root of 451446 is about 671.8973135830. The cubic root of 451446 is about 76.7129357337.

It can be divided in two parts, 45144 and 6, that added together give a triangular number (45150 = T₃₀₀).

The spelling of 451446 in words is "four hundred fifty-one thousand, four hundred forty-six".