1445120 has 36 divisors (see below), whose sum is σ = 3464580. Its totient is φ = 577536.

The previous prime is 1445117. The next prime is 1445137. The reversal of 1445120 is 215441.

It can be written as a sum of positive squares in 2 ways, for example, as 295936 + 1149184 = 544^2 + 1072^2 .

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, 716 + ... + 1844.

2^1445120 is an apocalyptic number.

1445120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1445120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1732290).

1445120 is an abundant number, since it is smaller than the sum of its proper divisors (2019460).

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

1445120 is an equidigital number, since it uses as much as digits as its factorization.

1445120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150 (or 1136 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1445120 is about 1202.1314404008. The cubic root of 1445120 is about 113.0580013928.

The spelling of 1445120 in words is "one million, four hundred forty-five thousand, one hundred twenty".