4155443 has 4 divisors (see below), whose sum is σ = 4196688. Its totient is φ = 4114200.

The previous prime is 4155427. The next prime is 4155467. The reversal of 4155443 is 3445514.

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 4155443 - 2⁴ = 4155427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4155413) 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 3 ways as a sum of consecutive naturals, for example, 20471 + ... + 20672.

It is an arithmetic number, because the mean of its divisors is an integer number (1049172).

Almost surely, 2^4155443 is an apocalyptic number.

4155443 is a deficient number, since it is larger than the sum of its proper divisors (41245).

4155443 is a wasteful number, since it uses less digits than its factorization.

4155443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41244.

The product of its digits is 4800, while the sum is 26.

The square root of 4155443 is about 2038.4903728004. The cubic root of 4155443 is about 160.7702830945.

The spelling of 4155443 in words is "four million, one hundred fifty-five thousand, four hundred forty-three".