455128 has 8 divisors (see below), whose sum is σ = 853380. Its totient is φ = 227560.

The previous prime is 455123. The next prime is 455149. The reversal of 455128 is 821554.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455123) by changing a digit.

455128 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 as a sum of consecutive naturals, namely, 28438 + ... + 28453.

2⁴⁵⁵¹²⁸ is an apocalyptic number.

It is an amenable number.

455128 is a deficient number, since it is larger than the sum of its proper divisors (398252).

455128 is a wasteful number, since it uses less digits than its factorization.

455128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56897 (or 56893 counting only the distinct ones).

The product of its digits is 1600, while the sum is 25.

The square root of 455128 is about 674.6317514022. The cubic root of 455128 is about 76.9209285554.

The spelling of 455128 in words is "four hundred fifty-five thousand, one hundred twenty-eight".