2105625144 has 64 divisors (see below), whose sum is σ = 6332716800. Its totient is φ = 569942784.

The previous prime is 2105625139. The next prime is 2105625149. The reversal of 2105625144 is 4415265012.

It is an interprime number because it is at equal distance from previous prime (2105625139) and next prime (2105625149).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105625149) 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, 326637 + ... + 333020.

It is an arithmetic number, because the mean of its divisors is an integer number (98948700).

Almost surely, 2^2105625144 is an apocalyptic number.

2105625144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2105625144 is an abundant number, since it is smaller than the sum of its proper divisors (4227091656).

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

2105625144 is a wasteful number, since it uses less digits than its factorization.

2105625144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659692 (or 659688 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 2105625144 is about 45887.0912566922. The cubic root of 2105625144 is about 1281.7215491067.

The spelling of 2105625144 in words is "two billion, one hundred five million, six hundred twenty-five thousand, one hundred forty-four".