105450172103 has 4 divisors (see below), whose sum is σ = 105479281488. Its totient is φ = 105421062720.

The previous prime is 105450171997. The next prime is 105450172109. The reversal of 105450172103 is 301271054501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105450172103 - 2⁸ = 105450171847 is a prime.

It is a super-2 number, since 2×105450172103² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105450172109) 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, 14549258 + ... + 14556503.

It is an arithmetic number, because the mean of its divisors is an integer number (26369820372).

Almost surely, 2^105450172103 is an apocalyptic number.

105450172103 is a deficient number, since it is larger than the sum of its proper divisors (29109385).

105450172103 is an equidigital number, since it uses as much as digits as its factorization.

105450172103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29109384.

The product of its (nonzero) digits is 4200, while the sum is 29.

The spelling of 105450172103 in words is "one hundred five billion, four hundred fifty million, one hundred seventy-two thousand, one hundred three".