4147544745 has 24 divisors (see below), whose sum is σ = 7193703816. Its totient is φ = 2210600448.

The previous prime is 4147544743. The next prime is 4147544749. The reversal of 4147544745 is 5474457414.

It can be written as a sum of positive squares in 4 ways, for example, as 17040384 + 4130504361 = 4128^2 + 64269^2 .

It is not a de Polignac number, because 4147544745 - 2¹ = 4147544743 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4147544745.

It is not an unprimeable number, because it can be changed into a prime (4147544743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43009 + ... + 100721.

It is an arithmetic number, because the mean of its divisors is an integer number (299737659).

Almost surely, 2^4147544745 is an apocalyptic number.

4147544745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4147544745 is a deficient number, since it is larger than the sum of its proper divisors (3046159071).

4147544745 is a wasteful number, since it uses less digits than its factorization.

4147544745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59321 (or 59318 counting only the distinct ones).

The product of its digits is 1254400, while the sum is 45.

The square root of 4147544745 is about 64401.4343396170. The cubic root of 4147544745 is about 1606.6835974171.

The spelling of 4147544745 in words is "four billion, one hundred forty-seven million, five hundred forty-four thousand, seven hundred forty-five".