105155938 has 4 divisors (see below), whose sum is σ = 157733910. Its totient is φ = 52577968.

The previous prime is 105155933. The next prime is 105155959. The reversal of 105155938 is 839551501.

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., 104101209 + 1054729 = 10203^2 + 1027^2 .

It is a super-2 number, since 2×105155938² = 22115542593319688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105155897 and 105155906.

It is not an unprimeable number, because it can be changed into a prime (105155933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26288983 + ... + 26288986.

Almost surely, 2^105155938 is an apocalyptic number.

105155938 is a deficient number, since it is larger than the sum of its proper divisors (52577972).

105155938 is an equidigital number, since it uses as much as digits as its factorization.

105155938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52577971.

The product of its (nonzero) digits is 27000, while the sum is 37.

The square root of 105155938 is about 10254.5569382592. The cubic root of 105155938 is about 472.0028278343.

The spelling of 105155938 in words is "one hundred five million, one hundred fifty-five thousand, nine hundred thirty-eight".