1445797 has 2 divisors, whose sum is σ = 1445798. Its totient is φ = 1445796.

The previous prime is 1445771. The next prime is 1445827. The reversal of 1445797 is 7975441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1018081 + 427716 = 1009^2 + 654^2 .

It is a cyclic number.

It is not a de Polignac number, because 1445797 - 2⁷ = 1445669 is a prime.

1445797 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1445707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722898 + 722899.

It is an arithmetic number, because the mean of its divisors is an integer number (722899).

2^1445797 is an apocalyptic number.

It is an amenable number.

1445797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445797 is an equidigital number, since it uses as much as digits as its factorization.

1445797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 37.

The square root of 1445797 is about 1202.4129906151. The cubic root of 1445797 is about 113.0756535180.

The spelling of 1445797 in words is "one million, four hundred forty-five thousand, seven hundred ninety-seven".