1445200 has 30 divisors (see below), whose sum is σ = 3473054. Its totient is φ = 577920.

The previous prime is 1445179. The next prime is 1445207. The reversal of 1445200 is 25441.

1445200 = T₂₁₅ + T₂₁₆ + ... + T₂₆₄.

It can be written as a sum of positive squares in 3 ways, for example, as 24336 + 1420864 = 156^2 + 1192^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1407 + ... + 2206.

2^1445200 is an apocalyptic number.

1445200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1445200 is an abundant number, since it is smaller than the sum of its proper divisors (2027854).

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

1445200 is a wasteful number, since it uses less digits than its factorization.

1445200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3631 (or 3620 counting only the distinct ones).

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

The square root of 1445200 is about 1202.1647141719. The cubic root of 1445200 is about 113.0600876032.

The spelling of 1445200 in words is "one million, four hundred forty-five thousand, two hundred".