2144954532 has 144 divisors (see below), whose sum is σ = 6127228800. Its totient is φ = 571957248.

The previous prime is 2144954531. The next prime is 2144954551. The reversal of 2144954532 is 2354594412.

It is not an unprimeable number, because it can be changed into a prime (2144954531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3616828 + ... + 3617420.

It is an arithmetic number, because the mean of its divisors is an integer number (42550200).

Almost surely, 2^2144954532 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 2144954532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3063614400).

2144954532 is an abundant number, since it is smaller than the sum of its proper divisors (3982274268).

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

2144954532 is a wasteful number, since it uses less digits than its factorization.

2144954532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790 (or 771 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 2144954532 is about 46313.6538398775. The cubic root of 2144954532 is about 1289.6524777468.

The spelling of 2144954532 in words is "two billion, one hundred forty-four million, nine hundred fifty-four thousand, five hundred thirty-two".