105256018 has 12 divisors (see below), whose sum is σ = 183661182. Its totient is φ = 45109680.

The previous prime is 105256003. The next prime is 105256031. The reversal of 105256018 is 810652501.

It can be written as a sum of positive squares in only one way, i.e., 85248289 + 20007729 = 9233^2 + 4473^2 .

It is a super-2 number, since 2×105256018² = 22157658650432648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 536923 + ... + 537118.

Almost surely, 2^105256018 is an apocalyptic number.

105256018 is a deficient number, since it is larger than the sum of its proper divisors (78405164).

105256018 is a wasteful number, since it uses less digits than its factorization.

105256018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074057 (or 1074050 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 105256018 is about 10259.4355595228. The cubic root of 105256018 is about 472.1525200148.

The spelling of 105256018 in words is "one hundred five million, two hundred fifty-six thousand, eighteen".