3149155 has 8 divisors (see below), whose sum is σ = 3978000. Its totient is φ = 2386656.

The previous prime is 3149143. The next prime is 3149173. The reversal of 3149155 is 5519413.

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 3149155 - 2⁵ = 3149123 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16480 + ... + 16669.

It is an arithmetic number, because the mean of its divisors is an integer number (497250).

Almost surely, 2^3149155 is an apocalyptic number.

3149155 is a deficient number, since it is larger than the sum of its proper divisors (828845).

3149155 is a wasteful number, since it uses less digits than its factorization.

3149155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33173.

The product of its digits is 2700, while the sum is 28.

The square root of 3149155 is about 1774.5858671814. The cubic root of 3149155 is about 146.5766119575.

The spelling of 3149155 in words is "three million, one hundred forty-nine thousand, one hundred fifty-five".