6945144 has 16 divisors (see below), whose sum is σ = 17362920. Its totient is φ = 2315040.

The previous prime is 6945139. The next prime is 6945161. The reversal of 6945144 is 4415496.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144667 + ... + 144714.

Almost surely, 2^6945144 is an apocalyptic number.

It is an amenable number.

6945144 is an abundant number, since it is smaller than the sum of its proper divisors (10417776).

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

6945144 is a wasteful number, since it uses less digits than its factorization.

6945144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289390 (or 289386 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 6945144 is about 2635.3641114654. The cubic root of 6945144 is about 190.7921132068.

The spelling of 6945144 in words is "six million, nine hundred forty-five thousand, one hundred forty-four".