100145145424 has 40 divisors (see below), whose sum is σ = 200287089288. Its totient is φ = 48471897600.

The previous prime is 100145145389. The next prime is 100145145449. The reversal of 100145145424 is 424541541001.

It can be written as a sum of positive squares in 4 ways, for example, as 92800655424 + 7344490000 = 304632^2 + 85700^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 312727 + ... + 545974.

Almost surely, 2^100145145424 is an apocalyptic number.

It is an amenable number.

100145145424 is a deficient number, since it is larger than the sum of its proper divisors (100141943864).

100145145424 is a wasteful number, since it uses less digits than its factorization.

100145145424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858943 (or 858937 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 100145145424 its reverse (424541541001), we get a palindrome (524686686425).

The spelling of 100145145424 in words is "one hundred billion, one hundred forty-five million, one hundred forty-five thousand, four hundred twenty-four".