1445329 has 2 divisors, whose sum is σ = 1445330. Its totient is φ = 1445328.

The previous prime is 1445317. The next prime is 1445333. The reversal of 1445329 is 9235441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1440000 + 5329 = 1200^2 + 73^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1445329 is a prime.

1445329 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1445297 and 1445306.

It is not a weakly prime, because it can be changed into another prime (1445429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722664 + 722665.

It is an arithmetic number, because the mean of its divisors is an integer number (722665).

2^1445329 is an apocalyptic number.

It is an amenable number.

1445329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445329 is an equidigital number, since it uses as much as digits as its factorization.

1445329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 28.

The square root of 1445329 is about 1202.2183661881. The cubic root of 1445329 is about 113.0634514554.

It can be divided in two parts, 144 and 5329, that multiplied together give a square (767376 = 876²).

The spelling of 1445329 in words is "one million, four hundred forty-five thousand, three hundred twenty-nine".