2145583 has 4 divisors (see below), whose sum is σ = 2340648. Its totient is φ = 1950520.

The previous prime is 2145551. The next prime is 2145617. The reversal of 2145583 is 3855412.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2145583 - 2⁵ = 2145551 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 (2145083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97516 + ... + 97537.

It is an arithmetic number, because the mean of its divisors is an integer number (585162).

2^2145583 is an apocalyptic number.

2145583 is a deficient number, since it is larger than the sum of its proper divisors (195065).

2145583 is a wasteful number, since it uses less digits than its factorization.

2145583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195064.

The product of its digits is 4800, while the sum is 28.

The square root of 2145583 is about 1464.7808709838. The cubic root of 2145583 is about 128.9778420769.

The spelling of 2145583 in words is "two million, one hundred forty-five thousand, five hundred eighty-three".