455778 has 12 divisors (see below), whose sum is σ = 987558. Its totient is φ = 151920.

The previous prime is 455761. The next prime is 455783. The reversal of 455778 is 877554.

455778 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 328329 + 127449 = 573^2 + 357^2 .

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12643 + ... + 12678.

2⁴⁵⁵⁷⁷⁸ is an apocalyptic number.

455778 is an abundant number, since it is smaller than the sum of its proper divisors (531780).

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

455778 is a wasteful number, since it uses less digits than its factorization.

455778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25329 (or 25326 counting only the distinct ones).

The product of its digits is 39200, while the sum is 36.

The square root of 455778 is about 675.1133238205. The cubic root of 455778 is about 76.9575298487.

The spelling of 455778 in words is "four hundred fifty-five thousand, seven hundred seventy-eight".