4145474441 has 2 divisors, whose sum is σ = 4145474442. Its totient is φ = 4145474440.

The previous prime is 4145474381. The next prime is 4145474449. The reversal of 4145474441 is 1444745414.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2201017225 + 1944457216 = 46915^2 + 44096^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4145474441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4145474395 and 4145474404.

It is not a weakly prime, because it can be changed into another prime (4145474449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2072737220 + 2072737221.

It is an arithmetic number, because the mean of its divisors is an integer number (2072737221).

Almost surely, 2^4145474441 is an apocalyptic number.

It is an amenable number.

4145474441 is a deficient number, since it is larger than the sum of its proper divisors (1).

4145474441 is an equidigital number, since it uses as much as digits as its factorization.

4145474441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 143360, while the sum is 38.

The square root of 4145474441 is about 64385.3589024710. The cubic root of 4145474441 is about 1606.4162201858.

The spelling of 4145474441 in words is "four billion, one hundred forty-five million, four hundred seventy-four thousand, four hundred forty-one".