2145512032 has 24 divisors (see below), whose sum is σ = 4227022800. Its totient is φ = 1071982464.

The previous prime is 2145512011. The next prime is 2145512093. The reversal of 2145512032 is 2302155412.

It is a junction number, because it is equal to n+sod(n) for n = 2145511988 and 2145512006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22269 + ... + 69187.

It is an arithmetic number, because the mean of its divisors is an integer number (176125950).

Almost surely, 2^2145512032 is an apocalyptic number.

It is an amenable number.

2145512032 is a deficient number, since it is larger than the sum of its proper divisors (2081510768).

2145512032 is a wasteful number, since it uses less digits than its factorization.

2145512032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48358 (or 48350 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2145512032 is about 46319.6721922770. The cubic root of 2145512032 is about 1289.7642002354.

Adding to 2145512032 its reverse (2302155412), we get a palindrome (4447667444).

The spelling of 2145512032 in words is "two billion, one hundred forty-five million, five hundred twelve thousand, thirty-two".