7538145 has 8 divisors (see below), whose sum is σ = 12061056. Its totient is φ = 4020336.

The previous prime is 7538099. The next prime is 7538147. The reversal of 7538145 is 5418357.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7538145 - 2⁶ = 7538081 is a prime.

7538145 is a lucky number.

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 7 ways as a sum of consecutive naturals, for example, 251257 + ... + 251286.

It is an arithmetic number, because the mean of its divisors is an integer number (1507632).

Almost surely, 2^7538145 is an apocalyptic number.

It is an amenable number.

7538145 is a deficient number, since it is larger than the sum of its proper divisors (4522911).

7538145 is a wasteful number, since it uses less digits than its factorization.

7538145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502551.

The product of its digits is 16800, while the sum is 33.

The square root of 7538145 is about 2745.5682471940. The cubic root of 7538145 is about 196.0746713263.

The spelling of 7538145 in words is "seven million, five hundred thirty-eight thousand, one hundred forty-five".