2145033616 has 80 divisors (see below), whose sum is σ = 4816298880. Its totient is φ = 914647040.

The previous prime is 2145033593. The next prime is 2145033619. The reversal of 2145033616 is 6163305412.

It is not an unprimeable number, because it can be changed into a prime (2145033619) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1073130 + ... + 1075126.

It is an arithmetic number, because the mean of its divisors is an integer number (60203736).

Almost surely, 2^2145033616 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 2145033616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2408149440).

2145033616 is an abundant number, since it is smaller than the sum of its proper divisors (2671265264).

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

2145033616 is a wasteful number, since it uses less digits than its factorization.

2145033616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2392 (or 2386 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 2145033616 is about 46314.5076191035. The cubic root of 2145033616 is about 1289.6683272861.

The spelling of 2145033616 in words is "two billion, one hundred forty-five million, thirty-three thousand, six hundred sixteen".