8445450 has 96 divisors (see below), whose sum is σ = 23248512. Its totient is φ = 2016000.

The previous prime is 8445449. The next prime is 8445457. The reversal of 8445450 is 545448.

8445450 = 800² + 801² + ... + 812².

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8445457) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 118915 + ... + 118985.

It is an arithmetic number, because the mean of its divisors is an integer number (242172).

Almost surely, 2^8445450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8445450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11624256).

8445450 is an abundant number, since it is smaller than the sum of its proper divisors (14803062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8445450 is a wasteful number, since it uses less digits than its factorization.

8445450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 8445450 is about 2906.1056415760. The cubic root of 8445450 is about 203.6452407883.

The spelling of 8445450 in words is "eight million, four hundred forty-five thousand, four hundred fifty".