5645312 has 44 divisors (see below), whose sum is σ = 11667900. Its totient is φ = 2727936.

The previous prime is 5645293. The next prime is 5645323. The reversal of 5645312 is 2135465.

It can be written as a sum of positive squares in 2 ways, for example, as 2876416 + 2768896 = 1696^2 + 1664^2 .

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37814 + ... + 37962.

Almost surely, 2^5645312 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 5645312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5833950).

5645312 is an abundant number, since it is smaller than the sum of its proper divisors (6022588).

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

5645312 is a wasteful number, since it uses less digits than its factorization.

5645312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 188 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 5645312 is about 2375.9865319484. The cubic root of 5645312 is about 178.0584750860.

It can be divided in two parts, 56453 and 12, that added together give a palindrome (56465).

The spelling of 5645312 in words is "five million, six hundred forty-five thousand, three hundred twelve".