450845 has 8 divisors (see below), whose sum is σ = 555864. Its totient is φ = 350784.

The previous prime is 450841. The next prime is 450847. The reversal of 450845 is 548054.

It can be written as a sum of positive squares in 4 ways, for example, as 241081 + 209764 = 491^2 + 458^2 .

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 450845 - 2² = 450841 is a prime.

It is a super-2 number, since 2×450845² = 406522428050, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450841) 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, 1034 + ... + 1403.

It is an arithmetic number, because the mean of its divisors is an integer number (69483).

2⁴⁵⁰⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

450845 is a deficient number, since it is larger than the sum of its proper divisors (105019).

450845 is a wasteful number, since it uses less digits than its factorization.

450845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2479.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 450845 is about 671.4499236726. The cubic root of 450845 is about 76.6788785420.

Adding to 450845 its reverse (548054), we get a palindrome (998899).

The spelling of 450845 in words is "four hundred fifty thousand, eight hundred forty-five".