450455 has 8 divisors (see below), whose sum is σ = 564192. Its totient is φ = 344608.

The previous prime is 450451. The next prime is 450473. The reversal of 450455 is 554054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 450455 - 2² = 450451 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 450455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450451) 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, 1844 + ... + 2073.

It is an arithmetic number, because the mean of its divisors is an integer number (70524).

2⁴⁵⁰⁴⁵⁵ is an apocalyptic number.

450455 is a deficient number, since it is larger than the sum of its proper divisors (113737).

450455 is a wasteful number, since it uses less digits than its factorization.

450455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3945.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 450455 is about 671.1594445435. The cubic root of 450455 is about 76.6567620055.

The spelling of 450455 in words is "four hundred fifty thousand, four hundred fifty-five".