105115154 has 8 divisors (see below), whose sum is σ = 158350140. Its totient is φ = 52331776.

The previous prime is 105115151. The next prime is 105115159. The reversal of 105115154 is 451511501.

It can be written as a sum of positive squares in 2 ways, for example, as 99700225 + 5414929 = 9985^2 + 2327^2 .

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

It is a super-2 number, since 2×105115154² = 22098391200887432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105115151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112319 + ... + 113250.

Almost surely, 2^105115154 is an apocalyptic number.

105115154 is a deficient number, since it is larger than the sum of its proper divisors (53234986).

105115154 is a wasteful number, since it uses less digits than its factorization.

105115154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225804.

The product of its (nonzero) digits is 500, while the sum is 23.

The square root of 105115154 is about 10252.5681660743. The cubic root of 105115154 is about 471.9417989378.

Adding to 105115154 its reverse (451511501), we get a palindrome (556626655).

The spelling of 105115154 in words is "one hundred five million, one hundred fifteen thousand, one hundred fifty-four".