100045428605 has 8 divisors (see below), whose sum is σ = 122982673464. Its totient is φ = 78084236800.

The previous prime is 100045428563. The next prime is 100045428677. The reversal of 100045428605 is 506824540001.

It can be written as a sum of positive squares in 4 ways, for example, as 751746724 + 99293681881 = 27418^2 + 315109^2 .

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

It is not a de Polignac number, because 100045428605 - 2¹² = 100045424509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244013036 + ... + 244013445.

It is an arithmetic number, because the mean of its divisors is an integer number (15372834183).

Almost surely, 2^100045428605 is an apocalyptic number.

It is an amenable number.

100045428605 is a deficient number, since it is larger than the sum of its proper divisors (22937244859).

100045428605 is an equidigital number, since it uses as much as digits as its factorization.

100045428605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488026527.

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 100045428605 its reverse (506824540001), we get a palindrome (606869968606).

The spelling of 100045428605 in words is "one hundred billion, forty-five million, four hundred twenty-eight thousand, six hundred five".