7145656 has 16 divisors (see below), whose sum is σ = 15312240. Its totient is φ = 3062400.

The previous prime is 7145651. The next prime is 7145669. The reversal of 7145656 is 6565417.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7145651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63745 + ... + 63856.

It is an arithmetic number, because the mean of its divisors is an integer number (957015).

Almost surely, 2^7145656 is an apocalyptic number.

It is an amenable number.

7145656 is an abundant number, since it is smaller than the sum of its proper divisors (8166584).

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

7145656 is a wasteful number, since it uses less digits than its factorization.

7145656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127614 (or 127610 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 7145656 is about 2673.1359860658. The cubic root of 7145656 is about 192.6108295281.

The spelling of 7145656 in words is "seven million, one hundred forty-five thousand, six hundred fifty-six".