7522148 has 6 divisors (see below), whose sum is σ = 13163766. Its totient is φ = 3761072.

The previous prime is 7522111. The next prime is 7522159. The reversal of 7522148 is 8412257.

7522148 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7171684 + 350464 = 2678^2 + 592^2 .

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 7522148.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 940265 + ... + 940272.

It is an arithmetic number, because the mean of its divisors is an integer number (2193961).

Almost surely, 2^7522148 is an apocalyptic number.

It is an amenable number.

7522148 is a deficient number, since it is larger than the sum of its proper divisors (5641618).

7522148 is a wasteful number, since it uses less digits than its factorization.

7522148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880541 (or 1880539 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 7522148 is about 2742.6534596992. The cubic root of 7522148 is about 195.9358737879.

The spelling of 7522148 in words is "seven million, five hundred twenty-two thousand, one hundred forty-eight".