100632445 has 4 divisors (see below), whose sum is σ = 120758940. Its totient is φ = 80505952.

The previous prime is 100632443. The next prime is 100632449. The reversal of 100632445 is 544236001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55621764 + 45010681 = 7458^2 + 6709^2 .

It is a cyclic number.

It is not a de Polignac number, because 100632445 - 2¹ = 100632443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100632443) 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, 10063240 + ... + 10063249.

It is an arithmetic number, because the mean of its divisors is an integer number (30189735).

Almost surely, 2^100632445 is an apocalyptic number.

It is an amenable number.

100632445 is a deficient number, since it is larger than the sum of its proper divisors (20126495).

100632445 is an equidigital number, since it uses as much as digits as its factorization.

100632445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20126494.

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

The square root of 100632445 is about 10031.5724091490. The cubic root of 100632445 is about 465.1353442692.

Adding to 100632445 its reverse (544236001), we get a palindrome (644868446).

The spelling of 100632445 in words is "one hundred million, six hundred thirty-two thousand, four hundred forty-five".