233040142 has 4 divisors (see below), whose sum is σ = 349560216. Its totient is φ = 116520070.

The previous prime is 233040139. The next prime is 233040161. The reversal of 233040142 is 241040332.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58260034 + ... + 58260037.

It is an arithmetic number, because the mean of its divisors is an integer number (87390054).

Almost surely, 2^233040142 is an apocalyptic number.

233040142 is a deficient number, since it is larger than the sum of its proper divisors (116520074).

233040142 is a wasteful number, since it uses less digits than its factorization.

233040142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116520073.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 233040142 is about 15265.6523607738. The cubic root of 233040142 is about 615.3802852155.

Adding to 233040142 its reverse (241040332), we get a palindrome (474080474).

The spelling of 233040142 in words is "two hundred thirty-three million, forty thousand, one hundred forty-two".