36445000 has 80 divisors (see below), whose sum is σ = 88143660. Its totient is φ = 14112000.

The previous prime is 36444979. The next prime is 36445001. The reversal of 36445000 is 54463.

It can be written as a sum of positive squares in 10 ways, for example, as 2502724 + 33942276 = 1582^2 + 5826^2 .

It is not an unprimeable number, because it can be changed into a prime (36445001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 184902 + ... + 185098.

Almost surely, 2^36445000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36445000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44071830).

36445000 is an abundant number, since it is smaller than the sum of its proper divisors (51698660).

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

36445000 is a wasteful number, since it uses less digits than its factorization.

36445000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 36445000 is about 6036.9694383855. The cubic root of 36445000 is about 331.5476735609.

Adding to 36445000 its reverse (54463), we get a palindrome (36499463).

The spelling of 36445000 in words is "thirty-six million, four hundred forty-five thousand".