140245342 has 12 divisors (see below), whose sum is σ = 223471440. Its totient is φ = 65997536.

The previous prime is 140245331. The next prime is 140245361. The reversal of 140245342 is 243542041.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 120742 + ... + 121897.

It is an arithmetic number, because the mean of its divisors is an integer number (18622620).

Almost surely, 2^140245342 is an apocalyptic number.

140245342 is a deficient number, since it is larger than the sum of its proper divisors (83226098).

140245342 is a wasteful number, since it uses less digits than its factorization.

140245342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242675 (or 242658 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 140245342 is about 11842.5226197800. The cubic root of 140245342 is about 519.5525514814.

Adding to 140245342 its reverse (243542041), we get a palindrome (383787383).

The spelling of 140245342 in words is "one hundred forty million, two hundred forty-five thousand, three hundred forty-two".