4147161145 has 4 divisors (see below), whose sum is σ = 4976593380. Its totient is φ = 3317728912.

The previous prime is 4147161143. The next prime is 4147161157. The reversal of 4147161145 is 5411617414.

4147161145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2135548944 + 2011612201 = 46212^2 + 44851^2 .

It is a cyclic number.

It is not a de Polignac number, because 4147161145 - 2¹ = 4147161143 is a prime.

It is a super-2 number, since 2×4147161145² = 34397891125195422050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4147161145.

It is not an unprimeable number, because it can be changed into a prime (4147161143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414716110 + ... + 414716119.

It is an arithmetic number, because the mean of its divisors is an integer number (1244148345).

Almost surely, 2^4147161145 is an apocalyptic number.

It is an amenable number.

4147161145 is a deficient number, since it is larger than the sum of its proper divisors (829432235).

4147161145 is an equidigital number, since it uses as much as digits as its factorization.

4147161145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829432234.

The product of its digits is 13440, while the sum is 34.

The square root of 4147161145 is about 64398.4560762135. The cubic root of 4147161145 is about 1606.6340626628.

Adding to 4147161145 its reverse (5411617414), we get a palindrome (9558778559).

The spelling of 4147161145 in words is "four billion, one hundred forty-seven million, one hundred sixty-one thousand, one hundred forty-five".