240310142 has 8 divisors (see below), whose sum is σ = 362012976. Its totient is φ = 119639152.

The previous prime is 240310139. The next prime is 240310177. The reversal of 240310142 is 241013042.

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

It is a self number, because there is not a number n which added to its sum of digits gives 240310142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257378 + ... + 258309.

It is an arithmetic number, because the mean of its divisors is an integer number (45251622).

Almost surely, 2^240310142 is an apocalyptic number.

240310142 is a deficient number, since it is larger than the sum of its proper divisors (121702834).

240310142 is a wasteful number, since it uses less digits than its factorization.

240310142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515922.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 240310142 is about 15501.9399431168. The cubic root of 240310142 is about 621.7140757720.

Adding to 240310142 its reverse (241013042), we get a palindrome (481323184).

The spelling of 240310142 in words is "two hundred forty million, three hundred ten thousand, one hundred forty-two".