6445132 has 12 divisors (see below), whose sum is σ = 11447800. Its totient is φ = 3174336.

The previous prime is 6445099. The next prime is 6445147. The reversal of 6445132 is 2315446.

It is a junction number, because it is equal to n+sod(n) for n = 6445097 and 6445106.

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, 11757 + ... + 12292.

Almost surely, 2^6445132 is an apocalyptic number.

It is an amenable number.

6445132 is a deficient number, since it is larger than the sum of its proper divisors (5002668).

6445132 is a wasteful number, since it uses less digits than its factorization.

6445132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24120 (or 24118 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 6445132 is about 2538.7264523773. The cubic root of 6445132 is about 186.0989568624.

It can be divided in two parts, 644 and 5132, that added together give a square (5776 = 76²).

The spelling of 6445132 in words is "six million, four hundred forty-five thousand, one hundred thirty-two".