43155135 has 24 divisors (see below), whose sum is σ = 76826880. Its totient is φ = 22393152.

The previous prime is 43155109. The next prime is 43155139. The reversal of 43155135 is 53155134.

It is not a de Polignac number, because 43155135 - 2¹⁸ = 42892991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43155099 and 43155108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43155139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11295 + ... + 14624.

It is an arithmetic number, because the mean of its divisors is an integer number (3201120).

Almost surely, 2^43155135 is an apocalyptic number.

43155135 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

43155135 is a deficient number, since it is larger than the sum of its proper divisors (33671745).

43155135 is a wasteful number, since it uses less digits than its factorization.

43155135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25967 (or 25964 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 43155135 is about 6569.2568072804. The cubic root of 43155135 is about 350.7606179410.

Subtracting 43155135 from its reverse (53155134), we obtain a palindrome (9999999).

The spelling of 43155135 in words is "forty-three million, one hundred fifty-five thousand, one hundred thirty-five".