105342456142 has 32 divisors (see below), whose sum is σ = 197019143424. Its totient is φ = 41039376000.

The previous prime is 105342456137. The next prime is 105342456151. The reversal of 105342456142 is 241654243501.

It is a super-2 number, since 2×105342456142² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3917142 + ... + 3943942.

It is an arithmetic number, because the mean of its divisors is an integer number (6156848232).

Almost surely, 2^105342456142 is an apocalyptic number.

105342456142 is a deficient number, since it is larger than the sum of its proper divisors (91676687282).

105342456142 is a wasteful number, since it uses less digits than its factorization.

105342456142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52344.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 105342456142 its reverse (241654243501), we get a palindrome (346996699643).

The spelling of 105342456142 in words is "one hundred five billion, three hundred forty-two million, four hundred fifty-six thousand, one hundred forty-two".