6446545 has 8 divisors (see below), whose sum is σ = 8841024. Its totient is φ = 4420464.

The previous prime is 6446533. The next prime is 6446569. The reversal of 6446545 is 5456446.

6446545 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6446545 - 2⁵ = 6446513 is a prime.

It is a Duffinian number.

6446545 is strictly pandigital in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 6446545.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92059 + ... + 92128.

It is an arithmetic number, because the mean of its divisors is an integer number (1105128).

Almost surely, 2^6446545 is an apocalyptic number.

It is an amenable number.

6446545 is a deficient number, since it is larger than the sum of its proper divisors (2394479).

6446545 is a wasteful number, since it uses less digits than its factorization.

6446545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184199.

The product of its digits is 57600, while the sum is 34.

The square root of 6446545 is about 2539.0047262658. The cubic root of 6446545 is about 186.1125556846.

Subtracting from 6446545 its reverse (5456446), we obtain a palindrome (990099).

The spelling of 6446545 in words is "six million, four hundred forty-six thousand, five hundred forty-five".