105425242 has 16 divisors (see below), whose sum is σ = 171317160. Its totient is φ = 48655776.

The previous prime is 105425239. The next prime is 105425251. The reversal of 105425242 is 242524501.

It can be written as a sum of positive squares in 4 ways, for example, as 3031081 + 102394161 = 1741^2 + 10119^2 .

It is a super-2 number, since 2×105425242² = 22228963301517128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7603 + ... + 16390.

Almost surely, 2^105425242 is an apocalyptic number.

105425242 is a deficient number, since it is larger than the sum of its proper divisors (65891918).

105425242 is an equidigital number, since it uses as much as digits as its factorization.

105425242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24034 (or 24008 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 105425242 is about 10267.6794846742. The cubic root of 105425242 is about 472.4054168994.

Adding to 105425242 its reverse (242524501), we get a palindrome (347949743).

The spelling of 105425242 in words is "one hundred five million, four hundred twenty-five thousand, two hundred forty-two".