105432045242 has 8 divisors (see below), whose sum is σ = 158365605216. Its totient is φ = 52643510172.

The previous prime is 105432045233. The next prime is 105432045307. The reversal of 105432045242 is 242540234501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105432045242² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105432045199 and 105432045208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36254408 + ... + 36257315.

It is an arithmetic number, because the mean of its divisors is an integer number (19795700652).

Almost surely, 2^105432045242 is an apocalyptic number.

105432045242 is a deficient number, since it is larger than the sum of its proper divisors (52933559974).

105432045242 is an equidigital number, since it uses as much as digits as its factorization.

105432045242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72512452.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 105432045242 its reverse (242540234501), we get a palindrome (347972279743).

The spelling of 105432045242 in words is "one hundred five billion, four hundred thirty-two million, forty-five thousand, two hundred forty-two".