100434145 has 8 divisors (see below), whose sum is σ = 137738304. Its totient is φ = 68869104.

The previous prime is 100434143. The next prime is 100434149. The reversal of 100434145 is 541434001.

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 100434145 - 2¹ = 100434143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100434143) 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, 1434739 + ... + 1434808.

It is an arithmetic number, because the mean of its divisors is an integer number (17217288).

Almost surely, 2^100434145 is an apocalyptic number.

It is an amenable number.

100434145 is a deficient number, since it is larger than the sum of its proper divisors (37304159).

100434145 is an equidigital number, since it uses as much as digits as its factorization.

100434145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869559.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 100434145 is about 10021.6837407693. The cubic root of 100434145 is about 464.8296211656.

Adding to 100434145 its reverse (541434001), we get a palindrome (641868146).

The spelling of 100434145 in words is "one hundred million, four hundred thirty-four thousand, one hundred forty-five".