232540142 has 8 divisors (see below), whose sum is σ = 348929856. Its totient is φ = 116230192.

The previous prime is 232540141. The next prime is 232540159. The reversal of 232540142 is 241045232.

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 (232540141) 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, 12023 + ... + 24690.

It is an arithmetic number, because the mean of its divisors is an integer number (43616232).

Almost surely, 2^232540142 is an apocalyptic number.

232540142 is a deficient number, since it is larger than the sum of its proper divisors (116389714).

232540142 is a wasteful number, since it uses less digits than its factorization.

232540142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39882.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 232540142 is about 15249.2669332004. The cubic root of 232540142 is about 614.9398597194.

Adding to 232540142 its reverse (241045232), we get a palindrome (473585374).

The spelling of 232540142 in words is "two hundred thirty-two million, five hundred forty thousand, one hundred forty-two".