450115 has 4 divisors (see below), whose sum is σ = 540144. Its totient is φ = 360088.

The previous prime is 450113. The next prime is 450127. The reversal of 450115 is 511054.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 450115 - 2¹ = 450113 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45007 + ... + 45016.

It is an arithmetic number, because the mean of its divisors is an integer number (135036).

2⁴⁵⁰¹¹⁵ is an apocalyptic number.

450115 is a deficient number, since it is larger than the sum of its proper divisors (90029).

450115 is an equidigital number, since it uses as much as digits as its factorization.

450115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90028.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 450115 is about 670.9061037135. The cubic root of 450115 is about 76.6374705045.

Adding to 450115 its reverse (511054), we get a palindrome (961169).

It can be divided in two parts, 450 and 115, that added together give a palindrome (565).

The spelling of 450115 in words is "four hundred fifty thousand, one hundred fifteen".