105671842 has 16 divisors (see below), whose sum is σ = 162812664. Its totient is φ = 51408000.

The previous prime is 105671789. The next prime is 105671851. The reversal of 105671842 is 248176501.

It can be written as a sum of positive squares in 4 ways, for example, as 56685841 + 48986001 = 7529^2 + 6999^2 .

It is a super-2 number, since 2×105671842² = 22333076383345928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105671798 and 105671807.

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, 32992 + ... + 36052.

Almost surely, 2^105671842 is an apocalyptic number.

105671842 is a deficient number, since it is larger than the sum of its proper divisors (57140822).

105671842 is a wasteful number, since it uses less digits than its factorization.

105671842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3525.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 105671842 is about 10279.6810261798. The cubic root of 105671842 is about 472.7734643114.

The spelling of 105671842 in words is "one hundred five million, six hundred seventy-one thousand, eight hundred forty-two".