7145244 has 18 divisors (see below), whose sum is σ = 18061680. Its totient is φ = 2381736.

The previous prime is 7145239. The next prime is 7145251. The reversal of 7145244 is 4425417.

It is a tau number, because it is divible by the number of its divisors (18).

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 5 ways as a sum of consecutive naturals, for example, 99204 + ... + 99275.

Almost surely, 2^7145244 is an apocalyptic number.

It is an amenable number.

7145244 is an abundant number, since it is smaller than the sum of its proper divisors (10916436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7145244 is a wasteful number, since it uses less digits than its factorization.

7145244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198489 (or 198484 counting only the distinct ones).

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

The square root of 7145244 is about 2673.0589219095. The cubic root of 7145244 is about 192.6071276432.

It can be divided in two parts, 714 and 5244, that multiplied together give a triangular number (3744216 = T₂₇₃₆).

The spelling of 7145244 in words is "seven million, one hundred forty-five thousand, two hundred forty-four".