234531442 has 4 divisors (see below), whose sum is σ = 351797166. Its totient is φ = 117265720.

The previous prime is 234531433. The next prime is 234531449. The reversal of 234531442 is 244135432.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 160554241 + 73977201 = 12671^2 + 8601^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 234531442.

It is not an unprimeable number, because it can be changed into a prime (234531449) 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 as a sum of consecutive naturals, namely, 58632859 + ... + 58632862.

Almost surely, 2^234531442 is an apocalyptic number.

234531442 is a deficient number, since it is larger than the sum of its proper divisors (117265724).

234531442 is a wasteful number, since it uses less digits than its factorization.

234531442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117265723.

The product of its digits is 11520, while the sum is 28.

The square root of 234531442 is about 15314.4194143950. The cubic root of 234531442 is about 616.6901682140.

Adding to 234531442 its reverse (244135432), we get a palindrome (478666874).

The spelling of 234531442 in words is "two hundred thirty-four million, five hundred thirty-one thousand, four hundred forty-two".