1445161 has 2 divisors, whose sum is σ = 1445162. Its totient is φ = 1445160.

The previous prime is 1445149. The next prime is 1445173. The reversal of 1445161 is 1615441.

It is a balanced prime because it is at equal distance from previous prime (1445149) and next prime (1445173).

It can be written as a sum of positive squares in only one way, i.e., 774400 + 670761 = 880^2 + 819^2 .

It is a cyclic number.

It is not a de Polignac number, because 1445161 - 2⁷ = 1445033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1445261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722580 + 722581.

It is an arithmetic number, because the mean of its divisors is an integer number (722581).

2^1445161 is an apocalyptic number.

It is an amenable number.

1445161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445161 is an equidigital number, since it uses as much as digits as its factorization.

1445161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 22.

The square root of 1445161 is about 1202.1484933235. The cubic root of 1445161 is about 113.0590705853.

The spelling of 1445161 in words is "one million, four hundred forty-five thousand, one hundred sixty-one".