4105145 has 16 divisors (see below), whose sum is σ = 5434560. Its totient is φ = 2952000.

The previous prime is 4105111. The next prime is 4105151. The reversal of 4105145 is 5415014.

It is not a de Polignac number, because 4105145 - 2¹² = 4101049 is a prime.

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, 5186 + ... + 5924.

It is an arithmetic number, because the mean of its divisors is an integer number (339660).

Almost surely, 2^4105145 is an apocalyptic number.

It is an amenable number.

4105145 is a deficient number, since it is larger than the sum of its proper divisors (1329415).

4105145 is a wasteful number, since it uses less digits than its factorization.

4105145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856.

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

The square root of 4105145 is about 2026.1157420049. The cubic root of 4105145 is about 160.1189870120.

Adding to 4105145 its product of nonzero digits (400), we get a triangular number (4105545 = T₂₈₆₅).

It can be divided in two parts, 410 and 5145, that added together give a palindrome (5555).

The spelling of 4105145 in words is "four million, one hundred five thousand, one hundred forty-five".