105000204545 has 32 divisors (see below), whose sum is σ = 133935984000. Its totient is φ = 78799633920.

The previous prime is 105000204539. The next prime is 105000204553. The reversal of 105000204545 is 545402000501.

It is not a de Polignac number, because 105000204545 - 2⁶ = 105000204481 is a prime.

It is a super-2 number, since 2×105000204545² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5126525 + ... + 5146965.

It is an arithmetic number, because the mean of its divisors is an integer number (4185499500).

Almost surely, 2^105000204545 is an apocalyptic number.

It is an amenable number.

105000204545 is a deficient number, since it is larger than the sum of its proper divisors (28935779455).

105000204545 is a wasteful number, since it uses less digits than its factorization.

105000204545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20993.

The product of its (nonzero) digits is 4000, while the sum is 26.

The spelling of 105000204545 in words is "one hundred five billion, two hundred four thousand, five hundred forty-five".