1445828 has 12 divisors (see below), whose sum is σ = 2545452. Its totient is φ = 718560.

The previous prime is 1445827. The next prime is 1445831. The reversal of 1445828 is 8285441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 24964 + 1420864 = 158^2 + 1192^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1445794 and 1445803.

It is not an unprimeable number, because it can be changed into a prime (1445827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275 + ... + 1722.

It is an arithmetic number, because the mean of its divisors is an integer number (212121).

2^1445828 is an apocalyptic number.

It is an amenable number.

1445828 is a deficient number, since it is larger than the sum of its proper divisors (1099624).

1445828 is a wasteful number, since it uses less digits than its factorization.

1445828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2182 (or 2180 counting only the distinct ones).

The product of its digits is 10240, while the sum is 32.

The square root of 1445828 is about 1202.4258812916. The cubic root of 1445828 is about 113.0764616813.

The spelling of 1445828 in words is "one million, four hundred forty-five thousand, eight hundred twenty-eight".