1445873 has 8 divisors (see below), whose sum is σ = 1698816. Its totient is φ = 1213200.

The previous prime is 1445863. The next prime is 1445879. The reversal of 1445873 is 3785441.

1445873 is nontrivially palindromic in base 12.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1445873 - 2¹⁸ = 1183729 is a prime.

It is a Duffinian number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4913 + ... + 5198.

It is an arithmetic number, because the mean of its divisors is an integer number (212352).

2^1445873 is an apocalyptic number.

1445873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1445873 is a deficient number, since it is larger than the sum of its proper divisors (252943).

1445873 is a wasteful number, since it uses less digits than its factorization.

1445873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10135.

The product of its digits is 13440, while the sum is 32.

The square root of 1445873 is about 1202.4445933181. Note that the first 3 decimals coincide. The cubic root of 1445873 is about 113.0776348011.

The spelling of 1445873 in words is "one million, four hundred forty-five thousand, eight hundred seventy-three".