105430053144 has 64 divisors (see below), whose sum is σ = 300547225440. Its totient is φ = 30531778560.

The previous prime is 105430053139. The next prime is 105430053163. The reversal of 105430053144 is 441350034501.

It is a super-2 number, since 2×105430053144² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9933427 + ... + 9944034.

Almost surely, 2^105430053144 is an apocalyptic number.

It is an amenable number.

105430053144 is an abundant number, since it is smaller than the sum of its proper divisors (195117172296).

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

105430053144 is a wasteful number, since it uses less digits than its factorization.

105430053144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19877500 (or 19877496 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 105430053144 its reverse (441350034501), we get a palindrome (546780087645).

The spelling of 105430053144 in words is "one hundred five billion, four hundred thirty million, fifty-three thousand, one hundred forty-four".