105490155 has 8 divisors (see below), whose sum is σ = 168784272. Its totient is φ = 56261408.

The previous prime is 105490153. The next prime is 105490159. The reversal of 105490155 is 551094501.

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 105490155 - 2¹ = 105490153 is a prime.

It is a super-2 number, since 2×105490155² = 22256345603848050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105490153) 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, 3516324 + ... + 3516353.

It is an arithmetic number, because the mean of its divisors is an integer number (21098034).

Almost surely, 2^105490155 is an apocalyptic number.

105490155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105490155 is a deficient number, since it is larger than the sum of its proper divisors (63294117).

105490155 is an equidigital number, since it uses as much as digits as its factorization.

105490155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7032685.

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 105490155 is about 10270.8400338044. The cubic root of 105490155 is about 472.5023543456.

The spelling of 105490155 in words is "one hundred five million, four hundred ninety thousand, one hundred fifty-five".