7148541 has 16 divisors (see below), whose sum is σ = 10160640. Its totient is φ = 4457520.

The previous prime is 7148521. The next prime is 7148597. The reversal of 7148541 is 1458417.

It is a de Polignac number, because none of the positive numbers 2^k-7148541 is a prime.

It is a super-2 number, since 2×7148541² = 102203276857362, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7148499 and 7148508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7148501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3976 + ... + 5486.

It is an arithmetic number, because the mean of its divisors is an integer number (635040).

Almost surely, 2^7148541 is an apocalyptic number.

It is an amenable number.

7148541 is a deficient number, since it is larger than the sum of its proper divisors (3012099).

7148541 is a wasteful number, since it uses less digits than its factorization.

7148541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616.

The product of its digits is 4480, while the sum is 30.

The square root of 7148541 is about 2673.6755599736. The cubic root of 7148541 is about 192.6367477212.

The spelling of 7148541 in words is "seven million, one hundred forty-eight thousand, five hundred forty-one".