2102145192 has 96 divisors (see below), whose sum is σ = 6540655680. Its totient is φ = 597473280.

The previous prime is 2102145187. The next prime is 2102145203. The reversal of 2102145192 is 2915412012.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86467 + ... + 108077.

It is an arithmetic number, because the mean of its divisors is an integer number (68131830).

Almost surely, 2^2102145192 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 2102145192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3270327840).

2102145192 is an abundant number, since it is smaller than the sum of its proper divisors (4438510488).

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

2102145192 is a wasteful number, since it uses less digits than its factorization.

2102145192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21823 (or 21816 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 2102145192 is about 45849.1569388140. The cubic root of 2102145192 is about 1281.0150623381.

The spelling of 2102145192 in words is "two billion, one hundred two million, one hundred forty-five thousand, one hundred ninety-two".