1445900 has 36 divisors (see below), whose sum is σ = 3307080. Its totient is φ = 547200.

The previous prime is 1445887. The next prime is 1445921. The reversal of 1445900 is 95441.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1520 + ... + 2280.

2^1445900 is an apocalyptic number.

1445900 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 1445900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1653540).

1445900 is an abundant number, since it is smaller than the sum of its proper divisors (1861180).

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

1445900 is a wasteful number, since it uses less digits than its factorization.

1445900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1445900 is about 1202.4558203942. The cubic root of 1445900 is about 113.0783386612.

The spelling of 1445900 in words is "one million, four hundred forty-five thousand, nine hundred".