1445911141 has 2 divisors, whose sum is σ = 1445911142.
Its totient is φ = 1445911140.
The previous prime is 1445911133. The next prime is 1445911147. The reversal of 1445911141 is 1411195441.
It can be divided in two parts, 14459 and 11141, that added together give a square (25600 = 1602).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1256986116 + 188925025 = 35454^2 + 13745^2
It is a cyclic number.
It is not a de Polignac number, because 1445911141 - 23 = 1445911133 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1445911147) 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 as a sum of consecutive naturals, namely, 722955570 + 722955571.
It is an arithmetic number, because the mean of its divisors is an integer number (722955571).
Almost surely, 21445911141 is an apocalyptic number.
It is an amenable number.
1445911141 is a deficient number, since it is larger than the sum of its proper divisors (1).
1445911141 is an equidigital number, since it uses as much as digits as its factorization.
1445911141 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2880, while the sum is 31.
The square root of 1445911141 is about 38025.1382771976.
The cubic root of 1445911141 is about 1130.7862909220.
The spelling of 1445911141 in words is "one billion, four hundred forty-five million, nine hundred eleven thousand, one hundred forty-one".