105239155 has 16 divisors (see below), whose sum is σ = 144527040. Its totient is φ = 72064512.

The previous prime is 105239149. The next prime is 105239161. The reversal of 105239155 is 551932501.

It is an interprime number because it is at equal distance from previous prime (105239149) and next prime (105239161).

It is a cyclic number.

It is not a de Polignac number, because 105239155 - 2⁹ = 105238643 is a prime.

It is a super-2 number, since 2×105239155² = 22150559490228050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31191 + ... + 34399.

It is an arithmetic number, because the mean of its divisors is an integer number (9032940).

Almost surely, 2^105239155 is an apocalyptic number.

105239155 is a deficient number, since it is larger than the sum of its proper divisors (39287885).

105239155 is an equidigital number, since it uses as much as digits as its factorization.

105239155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4158.

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 105239155 is about 10258.6136977664. The cubic root of 105239155 is about 472.1273042494.

The spelling of 105239155 in words is "one hundred five million, two hundred thirty-nine thousand, one hundred fifty-five".