5645412 has 18 divisors (see below), whose sum is σ = 14270438. Its totient is φ = 1881792.

The previous prime is 5645407. The next prime is 5645447. The reversal of 5645412 is 2145465.

5645412 is a `hidden beast` number, since 5 + 645 + 4 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5645376 + 36 = 2376^2 + 6^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78373 + ... + 78444.

Almost surely, 2^5645412 is an apocalyptic number.

It is an amenable number.

5645412 is an abundant number, since it is smaller than the sum of its proper divisors (8625026).

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

5645412 is a wasteful number, since it uses less digits than its factorization.

5645412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156827 (or 156822 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 5645412 is about 2376.0075757455. The cubic root of 5645412 is about 178.0595264446.

The spelling of 5645412 in words is "five million, six hundred forty-five thousand, four hundred twelve".