100343445 has 16 divisors (see below), whose sum is σ = 164889600. Its totient is φ = 52069824.

The previous prime is 100343443. The next prime is 100343479. The reversal of 100343445 is 544343001.

It is not a de Polignac number, because 100343445 - 2¹ = 100343443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100343443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89845 + ... + 90954.

It is an arithmetic number, because the mean of its divisors is an integer number (10305600).

Almost surely, 2^100343445 is an apocalyptic number.

100343445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100343445 is a deficient number, since it is larger than the sum of its proper divisors (64546155).

100343445 is a wasteful number, since it uses less digits than its factorization.

100343445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180844.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 100343445 is about 10017.1575309566. The cubic root of 100343445 is about 464.6896530159.

Adding to 100343445 its reverse (544343001), we get a palindrome (644686446).

The spelling of 100343445 in words is "one hundred million, three hundred forty-three thousand, four hundred forty-five".