105642626 has 4 divisors (see below), whose sum is σ = 158463942. Its totient is φ = 52821312.

The previous prime is 105642617. The next prime is 105642643. The reversal of 105642626 is 626246501.

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., 105042001 + 600625 = 10249^2 + 775^2 .

It is a super-2 number, since 2×105642626² = 22320728856351752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105642592 and 105642601.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26410655 + ... + 26410658.

Almost surely, 2^105642626 is an apocalyptic number.

105642626 is a deficient number, since it is larger than the sum of its proper divisors (52821316).

105642626 is an equidigital number, since it uses as much as digits as its factorization.

105642626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52821315.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 105642626 is about 10278.2598721768. The cubic root of 105642626 is about 472.7298897179.

The spelling of 105642626 in words is "one hundred five million, six hundred forty-two thousand, six hundred twenty-six".