2145017352 has 128 divisors (see below), whose sum is σ = 5723136000. Its totient is φ = 668532480.

The previous prime is 2145017309. The next prime is 2145017383. The reversal of 2145017352 is 2537105412.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8974849 + ... + 8975087.

It is an arithmetic number, because the mean of its divisors is an integer number (44712000).

Almost surely, 2^2145017352 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 2145017352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2861568000).

2145017352 is an abundant number, since it is smaller than the sum of its proper divisors (3578118648).

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

2145017352 is a wasteful number, since it uses less digits than its factorization.

2145017352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 2145017352 is about 46314.3320366385. The cubic root of 2145017352 is about 1289.6650677849.

The spelling of 2145017352 in words is "two billion, one hundred forty-five million, seventeen thousand, three hundred fifty-two".