1445313 has 8 divisors (see below), whose sum is σ = 1989376. Its totient is φ = 932400.

The previous prime is 1445303. The next prime is 1445317. The reversal of 1445313 is 3135441.

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

It is not a de Polignac number, because 1445313 - 2⁸ = 1445057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1445313.

It is not an unprimeable number, because it can be changed into a prime (1445317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7678 + ... + 7863.

It is an arithmetic number, because the mean of its divisors is an integer number (248672).

2^1445313 is an apocalyptic number.

It is an amenable number.

1445313 is a deficient number, since it is larger than the sum of its proper divisors (544063).

1445313 is a wasteful number, since it uses less digits than its factorization.

1445313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15575.

The product of its digits is 720, while the sum is 21.

The square root of 1445313 is about 1202.2117118045. The cubic root of 1445313 is about 113.0630342443.

The spelling of 1445313 in words is "one million, four hundred forty-five thousand, three hundred thirteen".