140244522 has 64 divisors (see below), whose sum is σ = 323481600. Its totient is φ = 40134080.

The previous prime is 140244521. The next prime is 140244553. The reversal of 140244522 is 225442041.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 140244492 and 140244501.

It is not an unprimeable number, because it can be changed into a prime (140244521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89179 + ... + 90737.

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

Almost surely, 2^140244522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140244522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161740800).

140244522 is an abundant number, since it is smaller than the sum of its proper divisors (183237078).

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

140244522 is a wasteful number, since it uses less digits than its factorization.

140244522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651.

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

The square root of 140244522 is about 11842.4879987273. The cubic root of 140244522 is about 519.5515388894.

Adding to 140244522 its reverse (225442041), we get a palindrome (365686563).

The spelling of 140244522 in words is "one hundred forty million, two hundred forty-four thousand, five hundred twenty-two".