450999 has 6 divisors (see below), whose sum is σ = 651456. Its totient is φ = 300660.

The previous prime is 450997. The next prime is 451013. The reversal of 450999 is 999054.

It is not a de Polignac number, because 450999 - 2¹ = 450997 is a prime.

450999 is a modest number, since divided by 999 gives 450 as remainder.

450999 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450991) 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, 25047 + ... + 25064.

It is an arithmetic number, because the mean of its divisors is an integer number (108576).

2⁴⁵⁰⁹⁹⁹ is an apocalyptic number.

450999 is a deficient number, since it is larger than the sum of its proper divisors (200457).

450999 is a wasteful number, since it uses less digits than its factorization.

450999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50117 (or 50114 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 450999 is about 671.5645910856. The cubic root of 450999 is about 76.6876082259.

The spelling of 450999 in words is "four hundred fifty thousand, nine hundred ninety-nine".