105422430645 has 48 divisors (see below), whose sum is σ = 212777165952. Its totient is φ = 47283799680.

The previous prime is 105422430637. The next prime is 105422430647. The reversal of 105422430645 is 546034224501.

105422430645 is a `hidden beast` number, since 1 + 0 + 5 + 4 + 2 + 2 + 4 + 3 + 0 + 645 = 666.

It is not a de Polignac number, because 105422430645 - 2³ = 105422430637 is a prime.

It is a super-2 number, since 2×105422430645² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105422430647) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3140611 + ... + 3174000.

It is an arithmetic number, because the mean of its divisors is an integer number (4432857624).

Almost surely, 2^105422430645 is an apocalyptic number.

105422430645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105422430645 is an abundant number, since it is smaller than the sum of its proper divisors (107354735307).

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

105422430645 is a wasteful number, since it uses less digits than its factorization.

105422430645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6314682 (or 6314679 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 105422430645 in words is "one hundred five billion, four hundred twenty-two million, four hundred thirty thousand, six hundred forty-five".