1445306 has 8 divisors (see below), whose sum is σ = 2295540. Its totient is φ = 680128.

The previous prime is 1445303. The next prime is 1445317. The reversal of 1445306 is 6035441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1190281 + 255025 = 1091^2 + 505^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 5.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (1445303) 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 in 3 ways as a sum of consecutive naturals, for example, 21221 + ... + 21288.

2^1445306 is an apocalyptic number.

1445306 is a deficient number, since it is larger than the sum of its proper divisors (850234).

1445306 is a wasteful number, since it uses less digits than its factorization.

1445306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42528.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1445306 is about 1202.2088005001. The cubic root of 1445306 is about 113.0628517135.

The spelling of 1445306 in words is "one million, four hundred forty-five thousand, three hundred six".