105430645453 has 16 divisors (see below), whose sum is σ = 124510593024. Its totient is φ = 87361472880.

The previous prime is 105430645451. The next prime is 105430645459. The reversal of 105430645453 is 354546034501.

It is a cyclic number.

It is not a de Polignac number, because 105430645453 - 2¹ = 105430645451 is a prime.

It is a super-2 number, since 2×105430645453² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105430645451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51025 + ... + 462022.

It is an arithmetic number, because the mean of its divisors is an integer number (7781912064).

Almost surely, 2^105430645453 is an apocalyptic number.

It is an amenable number.

105430645453 is a deficient number, since it is larger than the sum of its proper divisors (19079947571).

105430645453 is an equidigital number, since it uses as much as digits as its factorization.

105430645453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514032.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 105430645453 its reverse (354546034501), we get a palindrome (459976679954).

The spelling of 105430645453 in words is "one hundred five billion, four hundred thirty million, six hundred forty-five thousand, four hundred fifty-three".