450105 has 16 divisors (see below), whose sum is σ = 740544. Its totient is φ = 233280.

The previous prime is 450103. The next prime is 450113. The reversal of 450105 is 501054.

It is not a de Polignac number, because 450105 - 2¹ = 450103 is a prime.

It is a super-2 number, since 2×450105² = 405189022050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (450101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150 + ... + 960.

It is an arithmetic number, because the mean of its divisors is an integer number (46284).

2⁴⁵⁰¹⁰⁵ is an apocalyptic number.

It is an amenable number.

450105 is a deficient number, since it is larger than the sum of its proper divisors (290439).

450105 is a wasteful number, since it uses less digits than its factorization.

450105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 450105 is about 670.8986510644. The cubic root of 450105 is about 76.6369029603.

Adding to 450105 its reverse (501054), we get a palindrome (951159).

It can be divided in two parts, 450 and 105, that added together give a palindrome (555).

The spelling of 450105 in words is "four hundred fifty thousand, one hundred five".