43234155 has 20 divisors (see below), whose sum is σ = 77501952. Its totient is φ = 23058000.

The previous prime is 43234151. The next prime is 43234159. The reversal of 43234155 is 55143234.

It is an interprime number because it is at equal distance from previous prime (43234151) and next prime (43234159).

It is not a de Polignac number, because 43234155 - 2² = 43234151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (43234151) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 52971 + ... + 53780.

Almost surely, 2^43234155 is an apocalyptic number.

43234155 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

43234155 is a deficient number, since it is larger than the sum of its proper divisors (34267797).

43234155 is a wasteful number, since it uses less digits than its factorization.

43234155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106768 (or 106759 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 43234155 is about 6575.2684355850. The cubic root of 43234155 is about 350.9745762870.

Adding to 43234155 its reverse (55143234), we get a palindrome (98377389).

The spelling of 43234155 in words is "forty-three million, two hundred thirty-four thousand, one hundred fifty-five".