100545597443 has 4 divisors (see below), whose sum is σ = 104012687040. Its totient is φ = 97078507848.

The previous prime is 100545597433. The next prime is 100545597461. The reversal of 100545597443 is 344795545001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344795545001 = 743 ⋅464058607.

It is a cyclic number.

It is not a de Polignac number, because 100545597443 - 2¹⁸ = 100545335299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100545597433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1733544755 + ... + 1733544812.

It is an arithmetic number, because the mean of its divisors is an integer number (26003171760).

Almost surely, 2^100545597443 is an apocalyptic number.

100545597443 is a deficient number, since it is larger than the sum of its proper divisors (3467089597).

100545597443 is an equidigital number, since it uses as much as digits as its factorization.

100545597443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3467089596.

The product of its (nonzero) digits is 1512000, while the sum is 47.

The spelling of 100545597443 in words is "one hundred billion, five hundred forty-five million, five hundred ninety-seven thousand, four hundred forty-three".