100131550145 has 16 divisors (see below), whose sum is σ = 138791968128. Its totient is φ = 68539242240.

The previous prime is 100131550139. The next prime is 100131550147. The reversal of 100131550145 is 541055131001.

It is not a de Polignac number, because 100131550145 - 2¹⁰ = 100131549121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100131550147) 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, 53545349 + ... + 53547218.

It is an arithmetic number, because the mean of its divisors is an integer number (8674498008).

Almost surely, 2^100131550145 is an apocalyptic number.

It is an amenable number.

100131550145 is a deficient number, since it is larger than the sum of its proper divisors (38660417983).

100131550145 is a wasteful number, since it uses less digits than its factorization.

100131550145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107092600.

The product of its (nonzero) digits is 1500, while the sum is 26.

Adding to 100131550145 its reverse (541055131001), we get a palindrome (641186681146).

The spelling of 100131550145 in words is "one hundred billion, one hundred thirty-one million, five hundred fifty thousand, one hundred forty-five".