4045253645 has 8 divisors (see below), whose sum is σ = 5021694360. Its totient is φ = 3124609600.

The previous prime is 4045253633. The next prime is 4045253647. The reversal of 4045253645 is 5463525404.

4045253645 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 153115876 + 3892137769 = 12374^2 + 62387^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4045253645 - 2²⁴ = 4028476429 is a prime.

It is a super-3 number, since 3×4045253645³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4045253599 and 4045253608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4045253647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13949006 + ... + 13949295.

It is an arithmetic number, because the mean of its divisors is an integer number (627711795).

Almost surely, 2^4045253645 is an apocalyptic number.

It is an amenable number.

4045253645 is a deficient number, since it is larger than the sum of its proper divisors (976440715).

4045253645 is a wasteful number, since it uses less digits than its factorization.

4045253645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27898335.

The product of its (nonzero) digits is 288000, while the sum is 38.

The square root of 4045253645 is about 63602.3084879786. The cubic root of 4045253645 is about 1593.3649245860.

The spelling of 4045253645 in words is "four billion, forty-five million, two hundred fifty-three thousand, six hundred forty-five".