105252424045242 has 64 divisors (see below), whose sum is σ = 213211254896640. Its totient is φ = 34635295116864.

The previous prime is 105252424045201. The next prime is 105252424045259. The reversal of 105252424045242 is 242540424252501.

It is a super-2 number, since 2×105252424045242² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105252424045194 and 105252424045203.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 443903973 + ... + 444141015.

It is an arithmetic number, because the mean of its divisors is an integer number (3331425857760).

Almost surely, 2^{105252424045242} is an apocalyptic number.

105252424045242 is an abundant number, since it is smaller than the sum of its proper divisors (107958830851398).

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

105252424045242 is a wasteful number, since it uses less digits than its factorization.

105252424045242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239387.

The product of its (nonzero) digits is 1024000, while the sum is 42.

Adding to 105252424045242 its reverse (242540424252501), we get a palindrome (347792848297743).

The spelling of 105252424045242 in words is "one hundred five trillion, two hundred fifty-two billion, four hundred twenty-four million, forty-five thousand, two hundred forty-two".