240234142 has 8 divisors (see below), whose sum is σ = 361044432. Its totient is φ = 119886000.

The previous prime is 240234133. The next prime is 240234143. The reversal of 240234142 is 241432042.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240234143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114234 + ... + 116317.

It is an arithmetic number, because the mean of its divisors is an integer number (45130554).

Almost surely, 2^240234142 is an apocalyptic number.

240234142 is a deficient number, since it is larger than the sum of its proper divisors (120810290).

240234142 is a wasteful number, since it uses less digits than its factorization.

240234142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231074.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 240234142 is about 15499.4884431713. The cubic root of 240234142 is about 621.6485281823.

Adding to 240234142 its reverse (241432042), we get a palindrome (481666184).

The spelling of 240234142 in words is "two hundred forty million, two hundred thirty-four thousand, one hundred forty-two".