140453042442 has 32 divisors (see below), whose sum is σ = 287857571904. Its totient is φ = 45659894400.

The previous prime is 140453042423. The next prime is 140453042459. The reversal of 140453042442 is 244240354041.

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 15 ways as a sum of consecutive naturals, for example, 619717 + ... + 815447.

It is an arithmetic number, because the mean of its divisors is an integer number (8995549122).

Almost surely, 2^140453042442 is an apocalyptic number.

140453042442 is an abundant number, since it is smaller than the sum of its proper divisors (147404529462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140453042442 is a wasteful number, since it uses less digits than its factorization.

140453042442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198694.

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 140453042442 its reverse (244240354041), we get a palindrome (384693396483).

The spelling of 140453042442 in words is "one hundred forty billion, four hundred fifty-three million, forty-two thousand, four hundred forty-two".