2145588 has 12 divisors (see below), whose sum is σ = 5006400. Its totient is φ = 715192.

The previous prime is 2145551. The next prime is 2145617. The reversal of 2145588 is 8855412.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89388 + ... + 89411.

It is an arithmetic number, because the mean of its divisors is an integer number (417200).

2^2145588 is an apocalyptic number.

It is an amenable number.

2145588 is an abundant number, since it is smaller than the sum of its proper divisors (2860812).

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

2145588 is a wasteful number, since it uses less digits than its factorization.

2145588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178806 (or 178804 counting only the distinct ones).

The product of its digits is 12800, while the sum is 33.

The square root of 2145588 is about 1464.7825777227. The cubic root of 2145588 is about 128.9779422655.

The spelling of 2145588 in words is "two million, one hundred forty-five thousand, five hundred eighty-eight".