4154161 has 16 divisors (see below), whose sum is σ = 4749696. Its totient is φ = 3600000.

The previous prime is 4154149. The next prime is 4154173. The reversal of 4154161 is 1614514.

It is an interprime number because it is at equal distance from previous prime (4154149) and next prime (4154173).

It is a 5-Lehmer number, since φ(4154161) divides (4154161-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 4154161 - 2⁹ = 4153649 is a prime.

It is a super-2 number, since 2×4154161² = 34514107227842, which contains 22 as substring.

It is a Duffinian number.

4154161 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4154461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27436 + ... + 27586.

It is an arithmetic number, because the mean of its divisors is an integer number (296856).

It is a Poulet number, since it divides 2^4154160-1.

Almost surely, 2^4154161 is an apocalyptic number.

4154161 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4154161 is the 912-nd centered decagonal number.

It is an amenable number.

4154161 is a deficient number, since it is larger than the sum of its proper divisors (595535).

4154161 is a wasteful number, since it uses less digits than its factorization.

4154161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264.

The product of its digits is 480, while the sum is 22.

The square root of 4154161 is about 2038.1759001617. The cubic root of 4154161 is about 160.7537482588.

Adding to 4154161 its reverse (1614514), we get a palindrome (5768675).

The spelling of 4154161 in words is "four million, one hundred fifty-four thousand, one hundred sixty-one".