3158144 has 32 divisors (see below), whose sum is σ = 6866640. Its totient is φ = 1434880.

The previous prime is 3158143. The next prime is 3158149. The reversal of 3158144 is 4418513.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (3158143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287 + ... + 2529.

Almost surely, 2^3158144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3158144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3433320).

3158144 is an abundant number, since it is smaller than the sum of its proper divisors (3708496).

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

3158144 is a wasteful number, since it uses less digits than its factorization.

3158144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268 (or 2256 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 3158144 is about 1777.1167660005. The cubic root of 3158144 is about 146.7159430385.

The spelling of 3158144 in words is "three million, one hundred fifty-eight thousand, one hundred forty-four".