451478 has 12 divisors (see below), whose sum is σ = 719460. Its totient is φ = 211896.

The previous prime is 451441. The next prime is 451481. The reversal of 451478 is 874154.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 451478.

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 451478.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 4088 + ... + 4196.

It is an arithmetic number, because the mean of its divisors is an integer number (59955).

2⁴⁵¹⁴⁷⁸ is an apocalyptic number.

451478 is a deficient number, since it is larger than the sum of its proper divisors (267982).

451478 is a wasteful number, since it uses less digits than its factorization.

451478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 130 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 451478 is about 671.9211263236. The cubic root of 451478 is about 76.7147482472.

It can be divided in two parts, 451 and 478, that added together give a palindrome (929).

The spelling of 451478 in words is "four hundred fifty-one thousand, four hundred seventy-eight".