100340545443 has 16 divisors (see below), whose sum is σ = 133974570912. Its totient is φ = 66800160000.

The previous prime is 100340545429. The next prime is 100340545511. The reversal of 100340545443 is 344545043001.

It is a happy number.

It is not a de Polignac number, because 100340545443 - 2⁵ = 100340545411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100340545423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15921393 + ... + 15927693.

It is an arithmetic number, because the mean of its divisors is an integer number (8373410682).

Almost surely, 2^100340545443 is an apocalyptic number.

100340545443 is a deficient number, since it is larger than the sum of its proper divisors (33634025469).

100340545443 is an equidigital number, since it uses as much as digits as its factorization.

100340545443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12886.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 100340545443 its reverse (344545043001), we get a palindrome (444885588444).

The spelling of 100340545443 in words is "one hundred billion, three hundred forty million, five hundred forty-five thousand, four hundred forty-three".