1445983 has 16 divisors (see below), whose sum is σ = 1831680. Its totient is φ = 1108800.

The previous prime is 1445981. The next prime is 1445989. The reversal of 1445983 is 3895441.

It is not a de Polignac number, because 1445983 - 2¹ = 1445981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6748 + ... + 6958.

It is an arithmetic number, because the mean of its divisors is an integer number (114480).

2^1445983 is an apocalyptic number.

1445983 is a deficient number, since it is larger than the sum of its proper divisors (385697).

1445983 is a wasteful number, since it uses less digits than its factorization.

1445983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318.

The product of its digits is 17280, while the sum is 34.

The square root of 1445983 is about 1202.4903326015. The cubic root of 1445983 is about 113.0805023246.

The spelling of 1445983 in words is "one million, four hundred forty-five thousand, nine hundred eighty-three".