434243155 has 16 divisors (see below), whose sum is σ = 552636864. Its totient is φ = 326430720.

The previous prime is 434243153. The next prime is 434243179. The reversal of 434243155 is 551342434.

It is not a de Polignac number, because 434243155 - 2¹ = 434243153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434243153) 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, 53410 + ... + 61000.

It is an arithmetic number, because the mean of its divisors is an integer number (34539804).

Almost surely, 2^434243155 is an apocalyptic number.

434243155 is a deficient number, since it is larger than the sum of its proper divisors (118393709).

434243155 is a wasteful number, since it uses less digits than its factorization.

434243155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8286.

The product of its digits is 28800, while the sum is 31.

The square root of 434243155 is about 20838.5017455670. The cubic root of 434243155 is about 757.2587968804.

Adding to 434243155 its reverse (551342434), we get a palindrome (985585589).

The spelling of 434243155 in words is "four hundred thirty-four million, two hundred forty-three thousand, one hundred fifty-five".