234542155 has 16 divisors (see below), whose sum is σ = 295410240. Its totient is φ = 178423168.

The previous prime is 234542141. The next prime is 234542159. The reversal of 234542155 is 551245432.

It is a cyclic number.

It is not a de Polignac number, because 234542155 - 2¹¹ = 234540107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (234542159) 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 15 ways as a sum of consecutive naturals, for example, 14001 + ... + 25789.

It is an arithmetic number, because the mean of its divisors is an integer number (18463140).

Almost surely, 2^234542155 is an apocalyptic number.

234542155 is a deficient number, since it is larger than the sum of its proper divisors (60868085).

234542155 is a wasteful number, since it uses less digits than its factorization.

234542155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11990.

The product of its digits is 24000, while the sum is 31.

The square root of 234542155 is about 15314.7691788025. The cubic root of 234542155 is about 616.6995578593.

Adding to 234542155 its reverse (551245432), we get a palindrome (785787587).

The spelling of 234542155 in words is "two hundred thirty-four million, five hundred forty-two thousand, one hundred fifty-five".