3149444144 has 160 divisors (see below), whose sum is σ = 7891732992. Its totient is φ = 1191801600.

The previous prime is 3149444113. The next prime is 3149444159. The reversal of 3149444144 is 4414449413.

It is a happy number.

3149444144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3149444098 and 3149444107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5515379 + ... + 5515949.

Almost surely, 2^3149444144 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 3149444144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3945866496).

3149444144 is an abundant number, since it is smaller than the sum of its proper divisors (4742288848).

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

3149444144 is a wasteful number, since it uses less digits than its factorization.

3149444144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656 (or 628 counting only the distinct ones).

The product of its digits is 110592, while the sum is 38.

The square root of 3149444144 is about 56119.9086243019. The cubic root of 3149444144 is about 1465.8109786462.

The spelling of 3149444144 in words is "three billion, one hundred forty-nine million, four hundred forty-four thousand, one hundred forty-four".