1445700 has 72 divisors (see below), whose sum is σ = 4305280. Its totient is φ = 374400.

The previous prime is 1445699. The next prime is 1445707. The reversal of 1445700 is 75441.

It is not an unprimeable number, because it can be changed into a prime (1445707) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18261 + ... + 18339.

2^1445700 is an apocalyptic number.

1445700 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 1445700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2152640).

1445700 is an abundant number, since it is smaller than the sum of its proper divisors (2859580).

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

1445700 is a wasteful number, since it uses less digits than its factorization.

1445700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 1445700 is about 1202.3726543797. The cubic root of 1445700 is about 113.0731246744.

It can be divided in two parts, 1445 and 700, that added together give a triangular number (2145 = T₆₅).

The spelling of 1445700 in words is "one million, four hundred forty-five thousand, seven hundred".