3155149 has 8 divisors (see below), whose sum is σ = 3449088. Its totient is φ = 2873280.

The previous prime is 3155147. The next prime is 3155153. The reversal of 3155149 is 9415513.

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 3155149 - 2¹ = 3155147 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 (3155147) 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, 2467 + ... + 3520.

It is an arithmetic number, because the mean of its divisors is an integer number (431136).

Almost surely, 2^3155149 is an apocalyptic number.

It is an amenable number.

3155149 is a deficient number, since it is larger than the sum of its proper divisors (293939).

3155149 is a wasteful number, since it uses less digits than its factorization.

3155149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6035.

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

The square root of 3155149 is about 1776.2739090579. The cubic root of 3155149 is about 146.6695494153.

The spelling of 3155149 in words is "three million, one hundred fifty-five thousand, one hundred forty-nine".