455999 has 2 divisors, whose sum is σ = 456000. Its totient is φ = 455998.

The previous prime is 455993. The next prime is 456007. The reversal of 455999 is 999554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 455999 - 2¹² = 451903 is a prime.

455999 is a modest number, since divided by 999 gives 455 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227999 + 228000.

It is an arithmetic number, because the mean of its divisors is an integer number (228000).

2⁴⁵⁵⁹⁹⁹ is an apocalyptic number.

455999 is a deficient number, since it is larger than the sum of its proper divisors (1).

455999 is an equidigital number, since it uses as much as digits as its factorization.

455999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72900, while the sum is 41.

The square root of 455999 is about 675.2769802089. The cubic root of 455999 is about 76.9699663609.

The spelling of 455999 in words is "four hundred fifty-five thousand, nine hundred ninety-nine".