105443251404 has 24 divisors (see below), whose sum is σ = 246042870528. Its totient is φ = 35146519440.

The previous prime is 105443251369. The next prime is 105443251469. The reversal of 105443251404 is 404152344501.

It is a happy number.

It is a super-2 number, since 2×105443251404² (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 7 ways as a sum of consecutive naturals, for example, 244209 + ... + 520119.

It is an arithmetic number, because the mean of its divisors is an integer number (10251786272).

Almost surely, 2^105443251404 is an apocalyptic number.

It is an amenable number.

105443251404 is an abundant number, since it is smaller than the sum of its proper divisors (140599619124).

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

105443251404 is a wasteful number, since it uses less digits than its factorization.

105443251404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307765 (or 307763 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 105443251404 its reverse (404152344501), we get a palindrome (509595595905).

The spelling of 105443251404 in words is "one hundred five billion, four hundred forty-three million, two hundred fifty-one thousand, four hundred four".