1445872 has 20 divisors (see below), whose sum is σ = 2923920. Its totient is φ = 691328.

The previous prime is 1445863. The next prime is 1445879. The reversal of 1445872 is 2785441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1597 + ... + 2332.

It is an arithmetic number, because the mean of its divisors is an integer number (146196).

2^1445872 is an apocalyptic number.

It is an amenable number.

1445872 is an abundant number, since it is smaller than the sum of its proper divisors (1478048).

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

1445872 is a wasteful number, since it uses less digits than its factorization.

1445872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3960 (or 3954 counting only the distinct ones).

The product of its digits is 8960, while the sum is 31.

The square root of 1445872 is about 1202.4441774985. Note that the first 3 decimals coincide. The cubic root of 1445872 is about 113.0776087320.

The spelling of 1445872 in words is "one million, four hundred forty-five thousand, eight hundred seventy-two".