105501345 has 32 divisors (see below), whose sum is σ = 176884992. Its totient is φ = 53594112.

The previous prime is 105501311. The next prime is 105501367. The reversal of 105501345 is 543105501.

It is not a de Polignac number, because 105501345 - 2⁹ = 105500833 is a prime.

It is a super-2 number, since 2×105501345² = 22261067593618050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107497 + ... + 108473.

It is an arithmetic number, because the mean of its divisors is an integer number (5527656).

Almost surely, 2^105501345 is an apocalyptic number.

105501345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105501345 is a deficient number, since it is larger than the sum of its proper divisors (71383647).

105501345 is a wasteful number, since it uses less digits than its factorization.

105501345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321.

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

The square root of 105501345 is about 10271.3847654540. The cubic root of 105501345 is about 472.5190608475.

Adding to 105501345 its reverse (543105501), we get a palindrome (648606846).

The spelling of 105501345 in words is "one hundred five million, five hundred one thousand, three hundred forty-five".