140244 has 48 divisors (see below), whose sum is σ = 376320. Its totient is φ = 40320.

The previous prime is 140237. The next prime is 140249. The reversal of 140244 is 442041.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4509 + ... + 4539.

It is an arithmetic number, because the mean of its divisors is an integer number (7840).

2¹⁴⁰²⁴⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188160).

140244 is an abundant number, since it is smaller than the sum of its proper divisors (236076).

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

140244 is a wasteful number, since it uses less digits than its factorization.

140244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 140244 is about 374.4916554478. The cubic root of 140244 is about 51.9550894286.

Adding to 140244 its reverse (442041), we get a palindrome (582285).

It can be divided in two parts, 14024 and 4, that added together give a triangular number (14028 = T₁₆₇).

The spelling of 140244 in words is "one hundred forty thousand, two hundred forty-four", and thus it is an iban number.