105243304464 has 60 divisors (see below), whose sum is σ = 295409208796. Its totient is φ = 34976987136.

The previous prime is 105243304459. The next prime is 105243304477. The reversal of 105243304464 is 464403342501.

105243304464 is a `hidden beast` number, since 1 + 0 + 524 + 3 + 30 + 44 + 64 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 72479408400 + 32763896064 = 269220^2 + 181008^2 .

It is a super-2 number, since 2×105243304464² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1035829 + ... + 1132884.

Almost surely, 2^105243304464 is an apocalyptic number.

It is an amenable number.

105243304464 is an abundant number, since it is smaller than the sum of its proper divisors (190165904332).

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

105243304464 is a wasteful number, since it uses less digits than its factorization.

105243304464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169064 (or 2169055 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 105243304464 its reverse (464403342501), we get a palindrome (569646646965).

The spelling of 105243304464 in words is "one hundred five billion, two hundred forty-three million, three hundred four thousand, four hundred sixty-four".