7145516 has 12 divisors (see below), whose sum is σ = 14291088. Its totient is φ = 3062352.

The previous prime is 7145507. The next prime is 7145527. The reversal of 7145516 is 6155417.

7145516 is an admirable number.

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, 127571 + ... + 127626.

It is an arithmetic number, because the mean of its divisors is an integer number (1190924).

Almost surely, 2^7145516 is an apocalyptic number.

It is an amenable number.

7145516 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7145516 is a wasteful number, since it uses less digits than its factorization.

7145516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255208 (or 255206 counting only the distinct ones).

The product of its digits is 4200, while the sum is 29.

The square root of 7145516 is about 2673.1097994658. The cubic root of 7145516 is about 192.6095716220.

Subtracting from 7145516 its reverse (6155417), we obtain a palindrome (990099).

The spelling of 7145516 in words is "seven million, one hundred forty-five thousand, five hundred sixteen".