1445385 has 16 divisors (see below), whose sum is σ = 2330496. Its totient is φ = 764928.

The previous prime is 1445371. The next prime is 1445401. The reversal of 1445385 is 5835441.

It is not a de Polignac number, because 1445385 - 2⁹ = 1444873 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2217 + ... + 2793.

It is an arithmetic number, because the mean of its divisors is an integer number (145656).

2^1445385 is an apocalyptic number.

1445385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1445385 is a deficient number, since it is larger than the sum of its proper divisors (885111).

1445385 is a wasteful number, since it uses less digits than its factorization.

1445385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752.

The product of its digits is 9600, while the sum is 30.

The square root of 1445385 is about 1202.2416562405. The cubic root of 1445385 is about 113.0649116700.

It can be divided in two parts, 1445 and 385, that added together give a triangular number (1830 = T₆₀).

The spelling of 1445385 in words is "one million, four hundred forty-five thousand, three hundred eighty-five".