105455142042 has 16 divisors (see below), whose sum is σ = 210915176160. Its totient is φ = 35150898672.

The previous prime is 105455142011. The next prime is 105455142047. The reversal of 105455142042 is 240241554501.

It is a happy number.

It is a super-2 number, since 2×105455142042² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105455141994 and 105455142012.

It is not an unprimeable number, because it can be changed into a prime (105455142047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114684 + ... + 473352.

It is an arithmetic number, because the mean of its divisors is an integer number (13182198510).

Almost surely, 2^105455142042 is an apocalyptic number.

105455142042 is an abundant number, since it is smaller than the sum of its proper divisors (105460034118).

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

105455142042 is a wasteful number, since it uses less digits than its factorization.

105455142042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407677.

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 105455142042 its reverse (240241554501), we get a palindrome (345696696543).

The spelling of 105455142042 in words is "one hundred five billion, four hundred fifty-five million, one hundred forty-two thousand, forty-two".