4145447853 has 6 divisors (see below), whose sum is σ = 5987869134. Its totient is φ = 2763631896.

The previous prime is 4145447851. The next prime is 4145447857. The reversal of 4145447853 is 3587445414.

It can be written as a sum of positive squares in only one way, i.e., 2697036489 + 1448411364 = 51933^2 + 38058^2 .

It is not a de Polignac number, because 4145447853 - 2¹ = 4145447851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4145447799 and 4145447808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145447851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 230302650 + ... + 230302667.

It is an arithmetic number, because the mean of its divisors is an integer number (997978189).

Almost surely, 2^4145447853 is an apocalyptic number.

It is an amenable number.

4145447853 is a deficient number, since it is larger than the sum of its proper divisors (1842421281).

4145447853 is a wasteful number, since it uses less digits than its factorization.

4145447853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460605323 (or 460605320 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 45.

The square root of 4145447853 is about 64385.1524266271. The cubic root of 4145447853 is about 1606.4127857992.

The spelling of 4145447853 in words is "four billion, one hundred forty-five million, four hundred forty-seven thousand, eight hundred fifty-three".