1445144101 has 2 divisors, whose sum is σ = 1445144102. Its totient is φ = 1445144100.

The previous prime is 1445144093. The next prime is 1445144111. The reversal of 1445144101 is 1014415441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 913611076 + 531533025 = 30226^2 + 23055^2 .

It is a cyclic number.

It is not a de Polignac number, because 1445144101 - 2³ = 1445144093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1445144111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722572050 + 722572051.

It is an arithmetic number, because the mean of its divisors is an integer number (722572051).

Almost surely, 2^1445144101 is an apocalyptic number.

It is an amenable number.

1445144101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445144101 is an equidigital number, since it uses as much as digits as its factorization.

1445144101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 1445144101 is about 38015.0509798422. The cubic root of 1445144101 is about 1130.5862989787.

Adding to 1445144101 its reverse (1014415441), we get a palindrome (2459559542).

The spelling of 1445144101 in words is "one billion, four hundred forty-five million, one hundred forty-four thousand, one hundred one".