7145648 has 10 divisors (see below), whose sum is σ = 13844724. Its totient is φ = 3572816.

The previous prime is 7145647. The next prime is 7145651. The reversal of 7145648 is 8465417.

It is not an unprimeable number, because it can be changed into a prime (7145641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223286 + ... + 223317.

Almost surely, 2^7145648 is an apocalyptic number.

It is an amenable number.

7145648 is a deficient number, since it is larger than the sum of its proper divisors (6699076).

7145648 is a wasteful number, since it uses less digits than its factorization.

7145648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446611 (or 446605 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 7145648 is about 2673.1344896956. The cubic root of 7145648 is about 192.6107576482.

The spelling of 7145648 in words is "seven million, one hundred forty-five thousand, six hundred forty-eight".