6448155 has 48 divisors (see below), whose sum is σ = 12432384. Its totient is φ = 2842560.

The previous prime is 6448133. The next prime is 6448157. The reversal of 6448155 is 5518446.

It is not a de Polignac number, because 6448155 - 2⁸ = 6447899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6448157) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22644 + ... + 22926.

It is an arithmetic number, because the mean of its divisors is an integer number (259008).

Almost surely, 2^6448155 is an apocalyptic number.

6448155 is a deficient number, since it is larger than the sum of its proper divisors (5984229).

6448155 is a wasteful number, since it uses less digits than its factorization.

6448155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 329 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 6448155 is about 2539.3217598406. The cubic root of 6448155 is about 186.1280480284.

The spelling of 6448155 in words is "six million, four hundred forty-eight thousand, one hundred fifty-five".