4243345155 has 24 divisors (see below), whose sum is σ = 8405865312. Its totient is φ = 1939814784.

The previous prime is 4243345123. The next prime is 4243345207. The reversal of 4243345155 is 5515433424.

4243345155 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4243345155 - 2⁵ = 4243345123 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6735154 + ... + 6735783.

It is an arithmetic number, because the mean of its divisors is an integer number (350244388).

Almost surely, 2^4243345155 is an apocalyptic number.

4243345155 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4243345155 is a deficient number, since it is larger than the sum of its proper divisors (4162520157).

4243345155 is a wasteful number, since it uses less digits than its factorization.

4243345155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13470955 (or 13470952 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 4243345155 is about 65140.9637248329. The cubic root of 4243345155 is about 1618.9600035036.

Adding to 4243345155 its reverse (5515433424), we get a palindrome (9758778579).

The spelling of 4243345155 in words is "four billion, two hundred forty-three million, three hundred forty-five thousand, one hundred fifty-five".