7144215 has 16 divisors (see below), whose sum is σ = 12310368. Its totient is φ = 3517056.

The previous prime is 7144211. The next prime is 7144217. The reversal of 7144215 is 5124417.

7144215 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7144215 - 2² = 7144211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7144211) 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 15 ways as a sum of consecutive naturals, for example, 18124 + ... + 18513.

It is an arithmetic number, because the mean of its divisors is an integer number (769398).

Almost surely, 2^7144215 is an apocalyptic number.

7144215 is a deficient number, since it is larger than the sum of its proper divisors (5166153).

7144215 is a wasteful number, since it uses less digits than its factorization.

7144215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36658.

The product of its digits is 1120, while the sum is 24.

The square root of 7144215 is about 2672.8664388630. The cubic root of 7144215 is about 192.5978812947.

The spelling of 7144215 in words is "seven million, one hundred forty-four thousand, two hundred fifteen".