2145568032 has 72 divisors (see below), whose sum is σ = 6298306560. Its totient is φ = 692115840.

The previous prime is 2145568021. The next prime is 2145568037. The reversal of 2145568032 is 2308655412.

2145568032 is a `hidden beast` number, since 21 + 4 + 556 + 80 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2145568037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111232 + ... + 129087.

It is an arithmetic number, because the mean of its divisors is an integer number (87476480).

Almost surely, 2^2145568032 is an apocalyptic number.

It is an amenable number.

2145568032 is an abundant number, since it is smaller than the sum of its proper divisors (4152738528).

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

2145568032 is a wasteful number, since it uses less digits than its factorization.

2145568032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240366 (or 240355 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 2145568032 is about 46320.2766831115. The cubic root of 2145568032 is about 1289.7754215143.

The spelling of 2145568032 in words is "two billion, one hundred forty-five million, five hundred sixty-eight thousand, thirty-two".