105303144542 has 4 divisors (see below), whose sum is σ = 157954716816. Its totient is φ = 52651572270.

The previous prime is 105303144473. The next prime is 105303144559. The reversal of 105303144542 is 245441303501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245441303501 = 73 ⋅3362209637.

It is a super-2 number, since 2×105303144542² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105303144499 and 105303144508.

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 as a sum of consecutive naturals, namely, 26325786134 + ... + 26325786137.

It is an arithmetic number, because the mean of its divisors is an integer number (39488679204).

Almost surely, 2^105303144542 is an apocalyptic number.

105303144542 is a deficient number, since it is larger than the sum of its proper divisors (52651572274).

105303144542 is an equidigital number, since it uses as much as digits as its factorization.

105303144542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52651572273.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 105303144542 in words is "one hundred five billion, three hundred three million, one hundred forty-four thousand, five hundred forty-two".