234540146 has 16 divisors (see below), whose sum is σ = 362395968. Its totient is φ = 113778000.

The previous prime is 234540107. The next prime is 234540149. The reversal of 234540146 is 641045432.

It is not an unprimeable number, because it can be changed into a prime (234540149) 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 7 ways as a sum of consecutive naturals, for example, 3956 + ... + 22016.

It is an arithmetic number, because the mean of its divisors is an integer number (22649748).

Almost surely, 2^234540146 is an apocalyptic number.

234540146 is a deficient number, since it is larger than the sum of its proper divisors (127855822).

234540146 is a wasteful number, since it uses less digits than its factorization.

234540146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18257.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 234540146 is about 15314.7035883820. The cubic root of 234540146 is about 616.6977970487.

Adding to 234540146 its reverse (641045432), we get a palindrome (875585578).

The spelling of 234540146 in words is "two hundred thirty-four million, five hundred forty thousand, one hundred forty-six".