1445497 has 2 divisors, whose sum is σ = 1445498. Its totient is φ = 1445496.

The previous prime is 1445467. The next prime is 1445503. The reversal of 1445497 is 7945441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1354896 + 90601 = 1164^2 + 301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1445497 is a prime.

1445497 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1445407) 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, 722748 + 722749.

It is an arithmetic number, because the mean of its divisors is an integer number (722749).

2^1445497 is an apocalyptic number.

It is an amenable number.

1445497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445497 is an equidigital number, since it uses as much as digits as its factorization.

1445497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

The square root of 1445497 is about 1202.2882349919. The cubic root of 1445497 is about 113.0678319860.

The spelling of 1445497 in words is "one million, four hundred forty-five thousand, four hundred ninety-seven".