105403155 has 32 divisors (see below), whose sum is σ = 198132480. Its totient is φ = 47172480.

The previous prime is 105403141. The next prime is 105403157. The reversal of 105403155 is 551304501.

It is not a de Polignac number, because 105403155 - 2⁶ = 105403091 is a prime.

It is a super-2 number, since 2×105403155² = 22219650167908050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105403157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22425 + ... + 26714.

It is an arithmetic number, because the mean of its divisors is an integer number (6191640).

Almost surely, 2^105403155 is an apocalyptic number.

105403155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105403155 is a deficient number, since it is larger than the sum of its proper divisors (92729325).

105403155 is a wasteful number, since it uses less digits than its factorization.

105403155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49171.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 105403155 is about 10266.6038688556. The cubic root of 105403155 is about 472.3724243352.

Adding to 105403155 its reverse (551304501), we get a palindrome (656707656).

It can be divided in two parts, 10540 and 3155, that added together give a triangular number (13695 = T₁₆₅).

The spelling of 105403155 in words is "one hundred five million, four hundred three thousand, one hundred fifty-five".