4166145 has 12 divisors (see below), whose sum is σ = 7221396. Its totient is φ = 2221920.

The previous prime is 4166143. The next prime is 4166147. The reversal of 4166145 is 5416614.

4166145 is a `hidden beast` number, since 41 + 6 + 614 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (4166143) and next prime (4166147).

It can be written as a sum of positive squares in 2 ways, for example, as 1065024 + 3101121 = 1032^2 + 1761^2 .

It is not a de Polignac number, because 4166145 - 2¹ = 4166143 is a prime.

It is a super-2 number, since 2×4166145² = 34713528322050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4166143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46246 + ... + 46335.

It is an arithmetic number, because the mean of its divisors is an integer number (601783).

Almost surely, 2^4166145 is an apocalyptic number.

4166145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4166145 is a deficient number, since it is larger than the sum of its proper divisors (3055251).

4166145 is a wasteful number, since it uses less digits than its factorization.

4166145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92592 (or 92589 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 4166145 is about 2041.1136666046. The cubic root of 4166145 is about 160.9081816389.

It can be divided in two parts, 416 and 6145, that added together give a 8-th power (6561 = 3⁸).

The spelling of 4166145 in words is "four million, one hundred sixty-six thousand, one hundred forty-five".