105506155 has 8 divisors (see below), whose sum is σ = 127458000. Its totient is φ = 83837856.

The previous prime is 105506123. The next prime is 105506239. The reversal of 105506155 is 551605501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105506155 - 2⁵ = 105506123 is a prime.

It is a super-2 number, since 2×105506155² = 22263097485768050, which contains 22 as substring.

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, 70065 + ... + 71554.

It is an arithmetic number, because the mean of its divisors is an integer number (15932250).

Almost surely, 2^105506155 is an apocalyptic number.

105506155 is a deficient number, since it is larger than the sum of its proper divisors (21951845).

105506155 is a wasteful number, since it uses less digits than its factorization.

105506155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141773.

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 105506155 is about 10271.6189084292. The cubic root of 105506155 is about 472.5262417422.

The spelling of 105506155 in words is "one hundred five million, five hundred six thousand, one hundred fifty-five".