105145748412 has 12 divisors (see below), whose sum is σ = 245340079656. Its totient is φ = 35048582800.

The previous prime is 105145748381. The next prime is 105145748413. The reversal of 105145748412 is 214847541501.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×105145748412² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105145748413) 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, 4381072839 + ... + 4381072862.

It is an arithmetic number, because the mean of its divisors is an integer number (20445006638).

Almost surely, 2^105145748412 is an apocalyptic number.

105145748412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105145748412 is an abundant number, since it is smaller than the sum of its proper divisors (140194331244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105145748412 is a wasteful number, since it uses less digits than its factorization.

105145748412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8762145708 (or 8762145706 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 42.

The spelling of 105145748412 in words is "one hundred five billion, one hundred forty-five million, seven hundred forty-eight thousand, four hundred twelve".