6945149 has 8 divisors (see below), whose sum is σ = 7350912. Its totient is φ = 6548080.

The previous prime is 6945139. The next prime is 6945161. The reversal of 6945149 is 9415496.

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 6945149 - 2⁸ = 6944893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6945109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494 + ... + 3759.

It is an arithmetic number, because the mean of its divisors is an integer number (918864).

Almost surely, 2^6945149 is an apocalyptic number.

It is an amenable number.

6945149 is a deficient number, since it is larger than the sum of its proper divisors (405763).

6945149 is a wasteful number, since it uses less digits than its factorization.

6945149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4347.

The product of its digits is 38880, while the sum is 38.

The square root of 6945149 is about 2635.3650601008. The cubic root of 6945149 is about 190.7921589923.

The spelling of 6945149 in words is "six million, nine hundred forty-five thousand, one hundred forty-nine".