7538148 has 18 divisors (see below), whose sum is σ = 19054854. Its totient is φ = 2512704.

The previous prime is 7538147. The next prime is 7538159. The reversal of 7538148 is 8418357.

7538148 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., 6749604 + 788544 = 2598^2 + 888^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 209393 = 7538148 / (7 + 5 + 3 + 8 + 1 + 4 + 8).

It is not an unprimeable number, because it can be changed into a prime (7538147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 104661 + ... + 104732.

It is an arithmetic number, because the mean of its divisors is an integer number (1058603).

Almost surely, 2^7538148 is an apocalyptic number.

It is an amenable number.

7538148 is an abundant number, since it is smaller than the sum of its proper divisors (11516706).

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

7538148 is a wasteful number, since it uses less digits than its factorization.

7538148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209403 (or 209398 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 7538148 is about 2745.5687935289. The cubic root of 7538148 is about 196.0746973373.

The spelling of 7538148 in words is "seven million, five hundred thirty-eight thousand, one hundred forty-eight".