4155243 has 16 divisors (see below), whose sum is σ = 5875200. Its totient is φ = 2604960.

The previous prime is 4155197. The next prime is 4155247. The reversal of 4155243 is 3425514.

It is not a de Polignac number, because 4155243 - 2²⁰ = 3106667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4155247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15198 + ... + 15468.

It is an arithmetic number, because the mean of its divisors is an integer number (367200).

Almost surely, 2^4155243 is an apocalyptic number.

4155243 is a deficient number, since it is larger than the sum of its proper divisors (1719957).

4155243 is a wasteful number, since it uses less digits than its factorization.

4155243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562.

The product of its digits is 2400, while the sum is 24.

The square root of 4155243 is about 2038.4413163003. The cubic root of 4155243 is about 160.7677037809.

The spelling of 4155243 in words is "four million, one hundred fifty-five thousand, two hundred forty-three".