2145632 has 24 divisors (see below), whose sum is σ = 4447800. Its totient is φ = 1016064.

The previous prime is 2145631. The next prime is 2145641. The reversal of 2145632 is 2365412.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2145598 and 2145607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145631) 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, 1157 + ... + 2372.

It is an arithmetic number, because the mean of its divisors is an integer number (185325).

2^2145632 is an apocalyptic number.

It is an amenable number.

2145632 is an abundant number, since it is smaller than the sum of its proper divisors (2302168).

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

2145632 is a wasteful number, since it uses less digits than its factorization.

2145632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3558 (or 3550 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 2145632 is about 1464.7975969396. The cubic root of 2145632 is about 128.9788239182.

The spelling of 2145632 in words is "two million, one hundred forty-five thousand, six hundred thirty-two".