4145671 has 4 divisors (see below), whose sum is σ = 4389552. Its totient is φ = 3901792.

The previous prime is 4145653. The next prime is 4145677. The reversal of 4145671 is 1765414.

4145671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

4145671 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4145671 - 2⁵ = 4145639 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121915 + ... + 121948.

It is an arithmetic number, because the mean of its divisors is an integer number (1097388).

Almost surely, 2^4145671 is an apocalyptic number.

4145671 is a deficient number, since it is larger than the sum of its proper divisors (243881).

4145671 is a wasteful number, since it uses less digits than its factorization.

4145671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243880.

The product of its digits is 3360, while the sum is 28.

The square root of 4145671 is about 2036.0920902553. The cubic root of 4145671 is about 160.6441609365.

The spelling of 4145671 in words is "four million, one hundred forty-five thousand, six hundred seventy-one".