845453 has 4 divisors (see below), whose sum is σ = 966240. Its totient is φ = 724668.

The previous prime is 845447. The next prime is 845459. The reversal of 845453 is 354548.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (845447) and next prime (845459).

It is not a de Polignac number, because 845453 - 2⁸ = 845197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845459) 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, 60383 + ... + 60396.

It is an arithmetic number, because the mean of its divisors is an integer number (241560).

2⁸⁴⁵⁴⁵³ is an apocalyptic number.

It is an amenable number.

845453 is a deficient number, since it is larger than the sum of its proper divisors (120787).

845453 is a wasteful number, since it uses less digits than its factorization.

845453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120786.

The product of its digits is 9600, while the sum is 29.

The square root of 845453 is about 919.4851820448. The cubic root of 845453 is about 94.5576107005.

It can be divided in two parts, 84545 and 3, that added together give a palindrome (84548).

The spelling of 845453 in words is "eight hundred forty-five thousand, four hundred fifty-three".