105124000145 has 8 divisors (see below), whose sum is σ = 126182081256. Its totient is φ = 84077012736.

The previous prime is 105124000099. The next prime is 105124000171. The reversal of 105124000145 is 541000421501.

It can be written as a sum of positive squares in 4 ways, for example, as 6980268304 + 98143731841 = 83548^2 + 313279^2 .

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 105124000145 - 2²² = 105119805841 is a prime.

It is a super-2 number, since 2×105124000145² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105124000145.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2752562 + ... + 2790491.

It is an arithmetic number, because the mean of its divisors is an integer number (15772760157).

Almost surely, 2^105124000145 is an apocalyptic number.

It is an amenable number.

105124000145 is a deficient number, since it is larger than the sum of its proper divisors (21058081111).

105124000145 is an equidigital number, since it uses as much as digits as its factorization.

105124000145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5546851.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 105124000145 its reverse (541000421501), we get a palindrome (646124421646).

The spelling of 105124000145 in words is "one hundred five billion, one hundred twenty-four million, one hundred forty-five", and thus it is an aban number.