1445020 has 12 divisors (see below), whose sum is σ = 3034584. Its totient is φ = 578000.

The previous prime is 1444999. The next prime is 1445033. The reversal of 1445020 is 205441.

It is a junction number, because it is equal to n+sod(n) for n = 1444985 and 1445003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36106 + ... + 36145.

It is an arithmetic number, because the mean of its divisors is an integer number (252882).

2^1445020 is an apocalyptic number.

1445020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1445020 is an abundant number, since it is smaller than the sum of its proper divisors (1589564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1445020 is a wasteful number, since it uses less digits than its factorization.

1445020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72260 (or 72258 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1445020 is about 1202.0898468917. The cubic root of 1445020 is about 113.0553935215.

The spelling of 1445020 in words is "one million, four hundred forty-five thousand, twenty".