432100645 has 8 divisors (see below), whose sum is σ = 549022104. Its totient is φ = 325346304.

The previous prime is 432100639. The next prime is 432100649. The reversal of 432100645 is 546001234.

It can be written as a sum of positive squares in 4 ways, for example, as 151437636 + 280663009 = 12306^2 + 16753^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 432100645 - 2¹⁵ = 432067877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432100649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2541684 + ... + 2541853.

It is an arithmetic number, because the mean of its divisors is an integer number (68627763).

Almost surely, 2^432100645 is an apocalyptic number.

It is an amenable number.

432100645 is a deficient number, since it is larger than the sum of its proper divisors (116921459).

432100645 is a wasteful number, since it uses less digits than its factorization.

432100645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5083559.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 432100645 is about 20787.0306922369. The cubic root of 432100645 is about 756.0113312832.

Adding to 432100645 its reverse (546001234), we get a palindrome (978101879).

The spelling of 432100645 in words is "four hundred thirty-two million, one hundred thousand, six hundred forty-five".