105915242 has 4 divisors (see below), whose sum is σ = 158872866. Its totient is φ = 52957620.

The previous prime is 105915217. The next prime is 105915263. The reversal of 105915242 is 242519501.

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., 100982401 + 4932841 = 10049^2 + 2221^2 .

It is a super-2 number, since 2×105915242² = 22436076975837128, which contains 22 as substring.

It is an unprimeable number.

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, 26478809 + ... + 26478812.

Almost surely, 2^105915242 is an apocalyptic number.

105915242 is a deficient number, since it is larger than the sum of its proper divisors (52957624).

105915242 is an equidigital number, since it uses as much as digits as its factorization.

105915242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52957623.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 105915242 is about 10291.5131054670. The cubic root of 105915242 is about 473.1361746938.

The spelling of 105915242 in words is "one hundred five million, nine hundred fifteen thousand, two hundred forty-two".