4145105 has 8 divisors (see below), whose sum is σ = 4985064. Its totient is φ = 3308800.

The previous prime is 4145069. The next prime is 4145111. The reversal of 4145105 is 5015414.

It can be written as a sum of positive squares in 4 ways, for example, as 173056 + 3972049 = 416^2 + 1993^2 .

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

It is not a de Polignac number, because 4145105 - 2⁸ = 4144849 is a prime.

It is a super-2 number, since 2×4145105² = 34363790922050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3935 + ... + 4875.

It is an arithmetic number, because the mean of its divisors is an integer number (623133).

Almost surely, 2^4145105 is an apocalyptic number.

It is an amenable number.

4145105 is a deficient number, since it is larger than the sum of its proper divisors (839959).

4145105 is an equidigital number, since it uses as much as digits as its factorization.

4145105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 4145105 is about 2035.9530937622. The cubic root of 4145105 is about 160.6368497973.

The spelling of 4145105 in words is "four million, one hundred forty-five thousand, one hundred five".