105995258 has 16 divisors (see below), whose sum is σ = 164314656. Its totient is φ = 51248400.

The previous prime is 105995257. The next prime is 105995287. The reversal of 105995258 is 852599501.

It is a super-2 number, since 2×105995258² = 22469989436973128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105995251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2585 + ... + 14787.

It is an arithmetic number, because the mean of its divisors is an integer number (10269666).

Almost surely, 2^105995258 is an apocalyptic number.

105995258 is a deficient number, since it is larger than the sum of its proper divisors (58319398).

105995258 is a wasteful number, since it uses less digits than its factorization.

105995258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12349.

The product of its (nonzero) digits is 162000, while the sum is 44.

The square root of 105995258 is about 10295.3998465334. The cubic root of 105995258 is about 473.2552917468.

It can be divided in two parts, 105995 and 258, that multiplied together give a triangular number (27346710 = T₇₃₉₅).

The spelling of 105995258 in words is "one hundred five million, nine hundred ninety-five thousand, two hundred fifty-eight".