100105545245 has 16 divisors (see below), whose sum is σ = 127207784880. Its totient is φ = 75364783104.

The previous prime is 100105545229. The next prime is 100105545257. The reversal of 100105545245 is 542545501001.

It can be written as a sum of positive squares in 8 ways, for example, as 1345569124 + 98759976121 = 36682^2 + 314261^2 .

It is a cyclic number.

It is not a de Polignac number, because 100105545245 - 2⁴ = 100105545229 is a prime.

It is a super-2 number, since 2×100105545245² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 715511 + ... + 843899.

It is an arithmetic number, because the mean of its divisors is an integer number (7950486555).

Almost surely, 2^100105545245 is an apocalyptic number.

It is an amenable number.

100105545245 is a deficient number, since it is larger than the sum of its proper divisors (27102239635).

100105545245 is a wasteful number, since it uses less digits than its factorization.

100105545245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137584.

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 100105545245 in words is "one hundred billion, one hundred five million, five hundred forty-five thousand, two hundred forty-five".