140144242 has 32 divisors (see below), whose sum is σ = 250629120. Its totient is φ = 57507840.

The previous prime is 140144239. The next prime is 140144281. The reversal of 140144242 is 242441041.

140144242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40434 + ... + 43762.

It is an arithmetic number, because the mean of its divisors is an integer number (7832160).

Almost surely, 2^140144242 is an apocalyptic number.

140144242 is a deficient number, since it is larger than the sum of its proper divisors (110484878).

140144242 is a wasteful number, since it uses less digits than its factorization.

140144242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3466.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 140144242 is about 11838.2533340016. The cubic root of 140144242 is about 519.4276765323.

Adding to 140144242 its reverse (242441041), we get a palindrome (382585283).

The spelling of 140144242 in words is "one hundred forty million, one hundred forty-four thousand, two hundred forty-two".