100243034434445 has 64 divisors (see below), whose sum is σ = 139835066950656. Its totient is φ = 67568377651200.

The previous prime is 100243034434351. The next prime is 100243034434453. The reversal of 100243034434445 is 544434430342001.

It is not a de Polignac number, because 100243034434445 - 2¹² = 100243034430349 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4702481927 + ... + 4702503243.

It is an arithmetic number, because the mean of its divisors is an integer number (2184922921104).

Almost surely, 2^{100243034434445} is an apocalyptic number.

It is an amenable number.

100243034434445 is a deficient number, since it is larger than the sum of its proper divisors (39592032516211).

100243034434445 is a wasteful number, since it uses less digits than its factorization.

100243034434445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30750.

The product of its (nonzero) digits is 1105920, while the sum is 41.

Adding to 100243034434445 its reverse (544434430342001), we get a palindrome (644677464776446).

The spelling of 100243034434445 in words is "one hundred trillion, two hundred forty-three billion, thirty-four million, four hundred thirty-four thousand, four hundred forty-five".