32345645 has 16 divisors (see below), whose sum is σ = 41238720. Its totient is φ = 24271104.

The previous prime is 32345639. The next prime is 32345647. The reversal of 32345645 is 54654323.

It is not a de Polignac number, because 32345645 - 2¹² = 32341549 is a prime.

It is a super-3 number, since 3×32345645³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32345647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37226 + ... + 38084.

It is an arithmetic number, because the mean of its divisors is an integer number (2577420).

Almost surely, 2^32345645 is an apocalyptic number.

It is an amenable number.

32345645 is a deficient number, since it is larger than the sum of its proper divisors (8893075).

32345645 is a wasteful number, since it uses less digits than its factorization.

32345645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324.

The product of its digits is 43200, while the sum is 32.

The square root of 32345645 is about 5687.3231840647. The cubic root of 32345645 is about 318.6191968753.

Adding to 32345645 its reverse (54654323), we get a palindrome (86999968).

The spelling of 32345645 in words is "thirty-two million, three hundred forty-five thousand, six hundred forty-five".