105145520203 has 8 divisors (see below), whose sum is σ = 107777557440. Its totient is φ = 102516697920.

The previous prime is 105145520159. The next prime is 105145520219. The reversal of 105145520203 is 302025541501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105145520203 - 2²⁵ = 105111965771 is a prime.

It is a super-2 number, since 2×105145520203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105145520503) by changing a digit.

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, 737443 + ... + 868396.

It is an arithmetic number, because the mean of its divisors is an integer number (13472194680).

Almost surely, 2^105145520203 is an apocalyptic number.

105145520203 is a deficient number, since it is larger than the sum of its proper divisors (2632037237).

105145520203 is a wasteful number, since it uses less digits than its factorization.

105145520203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607477.

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 105145520203 in words is "one hundred five billion, one hundred forty-five million, five hundred twenty thousand, two hundred three".