2132445 has 32 divisors (see below), whose sum is σ = 4073472. Its totient is φ = 931392.

The previous prime is 2132419. The next prime is 2132461. The reversal of 2132445 is 5442312.

It is not a de Polignac number, because 2132445 - 2⁶ = 2132381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

2132445 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1974 + ... + 2856.

It is an arithmetic number, because the mean of its divisors is an integer number (127296).

2^2132445 is an apocalyptic number.

It is an amenable number.

2132445 is a deficient number, since it is larger than the sum of its proper divisors (1941027).

2132445 is a wasteful number, since it uses less digits than its factorization.

2132445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921.

The product of its digits is 960, while the sum is 21.

The square root of 2132445 is about 1460.2893548883. The cubic root of 2132445 is about 128.7140472083.

Adding to 2132445 its reverse (5442312), we get a palindrome (7574757).

The spelling of 2132445 in words is "two million, one hundred thirty-two thousand, four hundred forty-five".