455444 has 18 divisors (see below), whose sum is σ = 877002. Its totient is φ = 206800.

The previous prime is 455443. The next prime is 455461. The reversal of 455444 is 444554.

It can be written as a sum of positive squares in only one way, i.e., 407044 + 48400 = 638^2 + 220^2 .

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 455444.

It is not an unprimeable number, because it can be changed into a prime (455443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14 + ... + 954.

2⁴⁵⁵⁴⁴⁴ is an apocalyptic number.

455444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

455444 is a deficient number, since it is larger than the sum of its proper divisors (421558).

455444 is a wasteful number, since it uses less digits than its factorization.

455444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967 (or 954 counting only the distinct ones).

The product of its digits is 6400, while the sum is 26.

The square root of 455444 is about 674.8659126078. The cubic root of 455444 is about 76.9387267646.

Adding to 455444 its reverse (444554), we get a palindrome (899998).

The spelling of 455444 in words is "four hundred fifty-five thousand, four hundred forty-four".