4447156141 has 2 divisors, whose sum is σ = 4447156142. Its totient is φ = 4447156140.

The previous prime is 4447156117. The next prime is 4447156159. The reversal of 4447156141 is 1416517444.

4447156141 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4107528100 + 339628041 = 64090^2 + 18429^2 .

It is a cyclic number.

It is not a de Polignac number, because 4447156141 - 2¹³ = 4447147949 is a prime.

It is a super-3 number, since 3×4447156141³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4447156141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4447156541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2223578070 + 2223578071.

It is an arithmetic number, because the mean of its divisors is an integer number (2223578071).

Almost surely, 2^4447156141 is an apocalyptic number.

It is an amenable number.

4447156141 is a deficient number, since it is larger than the sum of its proper divisors (1).

4447156141 is an equidigital number, since it uses as much as digits as its factorization.

4447156141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 37.

The square root of 4447156141 is about 66687.0012896067. The cubic root of 4447156141 is about 1644.4756958439.

The spelling of 4447156141 in words is "four billion, four hundred forty-seven million, one hundred fifty-six thousand, one hundred forty-one".