2544153645 has 16 divisors (see below), whose sum is σ = 4440704832. Its totient is φ = 1233528960.

The previous prime is 2544153643. The next prime is 2544153697. The reversal of 2544153645 is 5463514452.

2544153645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2544153645 - 2¹ = 2544153643 is a prime.

It is a super-3 number, since 3×2544153645³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2544153643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7709392 + ... + 7709721.

It is an arithmetic number, because the mean of its divisors is an integer number (277544052).

Almost surely, 2^2544153645 is an apocalyptic number.

It is an amenable number.

2544153645 is a deficient number, since it is larger than the sum of its proper divisors (1896551187).

2544153645 is a wasteful number, since it uses less digits than its factorization.

2544153645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15419132.

The product of its digits is 288000, while the sum is 39.

The square root of 2544153645 is about 50439.6039338138. The cubic root of 2544153645 is about 1365.1523210179.

The spelling of 2544153645 in words is "two billion, five hundred forty-four million, one hundred fifty-three thousand, six hundred forty-five".