2148144180 has 192 divisors, whose sum is σ = 7792834560. Its totient is φ = 429359616.

The previous prime is 2148144169. The next prime is 2148144203. The reversal of 2148144180 is 814418412.

It is a super-2 number, since 2×2148144180² = 9229046836135744800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 93387 + ... + 114093.

It is an arithmetic number, because the mean of its divisors is an integer number (40587680).

Almost surely, 2^2148144180 is an apocalyptic number.

2148144180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2148144180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3896417280).

2148144180 is an abundant number, since it is smaller than the sum of its proper divisors (5644690380).

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

2148144180 is a wasteful number, since it uses less digits than its factorization.

2148144180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20758 (or 20756 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 33.

The square root of 2148144180 is about 46348.0763354856. The cubic root of 2148144180 is about 1290.2914190484.

The spelling of 2148144180 in words is "two billion, one hundred forty-eight million, one hundred forty-four thousand, one hundred eighty".