140522442 has 64 divisors (see below), whose sum is σ = 323481600. Its totient is φ = 40400640.

The previous prime is 140522441. The next prime is 140522471. The reversal of 140522442 is 244225041.

It is a happy number.

140522442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (140522441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58909 + ... + 61247.

It is an arithmetic number, because the mean of its divisors is an integer number (5054400).

Almost surely, 2^140522442 is an apocalyptic number.

140522442 is an abundant number, since it is smaller than the sum of its proper divisors (182959158).

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

140522442 is a wasteful number, since it uses less digits than its factorization.

140522442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 140522442 is about 11854.2162119644. The cubic root of 140522442 is about 519.8945076929.

Adding to 140522442 its reverse (244225041), we get a palindrome (384747483).

The spelling of 140522442 in words is "one hundred forty million, five hundred twenty-two thousand, four hundred forty-two".