105162506 has 4 divisors (see below), whose sum is σ = 157743762. Its totient is φ = 52581252.

The previous prime is 105162503. The next prime is 105162539. The reversal of 105162506 is 605261501.

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., 57896881 + 47265625 = 7609^2 + 6875^2 .

It is a super-2 number, since 2×105162506² = 22118305336400072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105162503) 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, 26290625 + ... + 26290628.

Almost surely, 2^105162506 is an apocalyptic number.

105162506 is a deficient number, since it is larger than the sum of its proper divisors (52581256).

105162506 is an equidigital number, since it uses as much as digits as its factorization.

105162506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52581255.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 105162506 is about 10254.8771811270. The cubic root of 105162506 is about 472.0126546689.

The spelling of 105162506 in words is "one hundred five million, one hundred sixty-two thousand, five hundred six".