2145548596 has 12 divisors (see below), whose sum is σ = 3755606148. Its totient is φ = 1072518272.

The previous prime is 2145548591. The next prime is 2145548611. The reversal of 2145548596 is 6958455412.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 668222500 + 1477326096 = 25850^2 + 38436^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145548591) 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 3 ways as a sum of consecutive naturals, for example, 44491 + ... + 79186.

It is an arithmetic number, because the mean of its divisors is an integer number (312967179).

Almost surely, 2^2145548596 is an apocalyptic number.

It is an amenable number.

2145548596 is a deficient number, since it is larger than the sum of its proper divisors (1610057552).

2145548596 is a wasteful number, since it uses less digits than its factorization.

2145548596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128018 (or 128016 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 49.

The square root of 2145548596 is about 46320.0668825078. The cubic root of 2145548596 is about 1289.7715269511.

The spelling of 2145548596 in words is "two billion, one hundred forty-five million, five hundred forty-eight thousand, five hundred ninety-six".