2152544144 has 20 divisors (see below), whose sum is σ = 4181570160. Its totient is φ = 1073429280.

The previous prime is 2152544101. The next prime is 2152544183. The reversal of 2152544144 is 4414452512.

It is a self number, because there is not a number n which added to its sum of digits gives 2152544144.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171422 + ... + 183549.

It is an arithmetic number, because the mean of its divisors is an integer number (209078508).

Almost surely, 2^2152544144 is an apocalyptic number.

It is an amenable number.

2152544144 is a deficient number, since it is larger than the sum of its proper divisors (2029026016).

2152544144 is a wasteful number, since it uses less digits than its factorization.

2152544144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355358 (or 355352 counting only the distinct ones).

The product of its digits is 25600, while the sum is 32.

The square root of 2152544144 is about 46395.5185766901. The cubic root of 2152544144 is about 1291.1717702672.

Adding to 2152544144 its reverse (4414452512), we get a palindrome (6566996656).

The spelling of 2152544144 in words is "two billion, one hundred fifty-two million, five hundred forty-four thousand, one hundred forty-four".