2132145 has 12 divisors (see below), whose sum is σ = 3695796. Its totient is φ = 1137120.

The previous prime is 2132129. The next prime is 2132147. The reversal of 2132145 is 5412312.

It can be written as a sum of positive squares in 2 ways, for example, as 1411344 + 720801 = 1188^2 + 849^2 .

It is not a de Polignac number, because 2132145 - 2⁴ = 2132129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2132147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23646 + ... + 23735.

It is an arithmetic number, because the mean of its divisors is an integer number (307983).

2^2132145 is an apocalyptic number.

It is an amenable number.

2132145 is a deficient number, since it is larger than the sum of its proper divisors (1563651).

2132145 is a wasteful number, since it uses less digits than its factorization.

2132145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47392 (or 47389 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 2132145 is about 1460.1866319070. The cubic root of 2132145 is about 128.7080109408.

Adding to 2132145 its reverse (5412312), we get a palindrome (7544457).

The spelling of 2132145 in words is "two million, one hundred thirty-two thousand, one hundred forty-five".