2145304032 has 24 divisors (see below), whose sum is σ = 5631423336. Its totient is φ = 715101312.

The previous prime is 2145304019. The next prime is 2145304037. The reversal of 2145304032 is 2304035412.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 2145303993 and 2145304011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145304037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11173363 + ... + 11173554.

It is an arithmetic number, because the mean of its divisors is an integer number (234642639).

Almost surely, 2^2145304032 is an apocalyptic number.

It is an amenable number.

2145304032 is an abundant number, since it is smaller than the sum of its proper divisors (3486119304).

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

2145304032 is a wasteful number, since it uses less digits than its factorization.

2145304032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22346930 (or 22346922 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2145304032 is about 46317.4268715351. The cubic root of 2145304032 is about 1289.7225194898.

Adding to 2145304032 its reverse (2304035412), we get a palindrome (4449339444).

The spelling of 2145304032 in words is "two billion, one hundred forty-five million, three hundred four thousand, thirty-two".