105242204146 has 4 divisors (see below), whose sum is σ = 157863306222. Its totient is φ = 52621102072.

The previous prime is 105242204047. The next prime is 105242204173. The reversal of 105242204146 is 641402242501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 55740849025 + 49501355121 = 236095^2 + 222489^2 .

It is a super-2 number, since 2×105242204146² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26310551035 + ... + 26310551038.

Almost surely, 2^105242204146 is an apocalyptic number.

105242204146 is a deficient number, since it is larger than the sum of its proper divisors (52621102076).

105242204146 is an equidigital number, since it uses as much as digits as its factorization.

105242204146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52621102075.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 105242204146 its reverse (641402242501), we get a palindrome (746644446647).

The spelling of 105242204146 in words is "one hundred five billion, two hundred forty-two million, two hundred four thousand, one hundred forty-six".