7144245 has 12 divisors (see below), whose sum is σ = 12383436. Its totient is φ = 3810240.

The previous prime is 7144231. The next prime is 7144289. The reversal of 7144245 is 5424417.

7144245 is digitally balanced in base 3, 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 2 ways, for example, as 1340964 + 5803281 = 1158^2 + 2409^2 .

It is not a de Polignac number, because 7144245 - 2⁸ = 7143989 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 (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79336 + ... + 79425.

It is an arithmetic number, because the mean of its divisors is an integer number (1031953).

Almost surely, 2^7144245 is an apocalyptic number.

It is an amenable number.

7144245 is a deficient number, since it is larger than the sum of its proper divisors (5239191).

7144245 is a wasteful number, since it uses less digits than its factorization.

7144245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158772 (or 158769 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 7144245 is about 2672.8720508098. The cubic root of 7144245 is about 192.5981508801.

The spelling of 7144245 in words is "seven million, one hundred forty-four thousand, two hundred forty-five".