2100025144 has 24 divisors (see below), whose sum is σ = 4580412840. Its totient is φ = 900010608.

The previous prime is 2100025139. The next prime is 2100025159. The reversal of 2100025144 is 4415200012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2678212 + ... + 2678995.

It is an arithmetic number, because the mean of its divisors is an integer number (190850535).

Almost surely, 2^2100025144 is an apocalyptic number.

It is an amenable number.

2100025144 is an abundant number, since it is smaller than the sum of its proper divisors (2480387696).

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

2100025144 is a wasteful number, since it uses less digits than its factorization.

2100025144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5357227 (or 5357216 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2100025144 is about 45826.0312922688. The cubic root of 2100025144 is about 1280.5842759008.

Adding to 2100025144 its reverse (4415200012), we get a palindrome (6515225156).

The spelling of 2100025144 in words is "two billion, one hundred million, twenty-five thousand, one hundred forty-four".