7148215 has 8 divisors (see below), whose sum is σ = 8809920. Its totient is φ = 5563872.

The previous prime is 7148203. The next prime is 7148243. The reversal of 7148215 is 5128417.

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

It is a cyclic number.

It is not a de Polignac number, because 7148215 - 2⁹ = 7147703 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19135 + ... + 19504.

It is an arithmetic number, because the mean of its divisors is an integer number (1101240).

Almost surely, 2^7148215 is an apocalyptic number.

7148215 is a deficient number, since it is larger than the sum of its proper divisors (1661705).

7148215 is a wasteful number, since it uses less digits than its factorization.

7148215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38681.

The product of its digits is 2240, while the sum is 28.

The square root of 7148215 is about 2673.6145945143. The cubic root of 7148215 is about 192.6338193598.

The spelling of 7148215 in words is "seven million, one hundred forty-eight thousand, two hundred fifteen".