2144125512 has 64 divisors (see below), whose sum is σ = 6094440000. Its totient is φ = 698084352.

The previous prime is 2144125483. The next prime is 2144125517. The reversal of 2144125512 is 2155214412.

It is a happy number.

2144125512 is a `hidden beast` number, since 2 + 144 + 1 + 2 + 5 + 512 = 666.

It is a super-2 number, since 2×2144125512² = 9194548422418524288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2144125517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106137 + ... + 124712.

It is an arithmetic number, because the mean of its divisors is an integer number (95225625).

Almost surely, 2^2144125512 is an apocalyptic number.

It is an amenable number.

2144125512 is an abundant number, since it is smaller than the sum of its proper divisors (3950314488).

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

2144125512 is a wasteful number, since it uses less digits than its factorization.

2144125512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230907 (or 230897 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 2144125512 is about 46304.7029144989. The cubic root of 2144125512 is about 1289.4863070966.

Adding to 2144125512 its reverse (2155214412), we get a palindrome (4299339924).

Subtracting 2144125512 from its reverse (2155214412), we obtain a square (11088900 = 3330²).

The spelling of 2144125512 in words is "two billion, one hundred forty-four million, one hundred twenty-five thousand, five hundred twelve".