105501145 has 16 divisors (see below), whose sum is σ = 131757120. Its totient is φ = 81031104.

The previous prime is 105501127. The next prime is 105501173. The reversal of 105501145 is 541105501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 105501145 - 2¹⁹ = 104976857 is a prime.

It is a super-2 number, since 2×105501145² = 22260983192622050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8527 + ... + 16843.

It is an arithmetic number, because the mean of its divisors is an integer number (8234820).

Almost surely, 2^105501145 is an apocalyptic number.

It is an amenable number.

105501145 is a deficient number, since it is larger than the sum of its proper divisors (26255975).

105501145 is an equidigital number, since it uses as much as digits as its factorization.

105501145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8424.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 105501145 is about 10271.3750296637. The cubic root of 105501145 is about 472.5187622609.

Adding to 105501145 its reverse (541105501), we get a palindrome (646606646).

The spelling of 105501145 in words is "one hundred five million, five hundred one thousand, one hundred forty-five".