140443600 has 120 divisors (see below), whose sum is σ = 375020640. Its totient is φ = 50112000.

The previous prime is 140443577. The next prime is 140443603. The reversal of 140443600 is 6344041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140443603) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 259330 + ... + 259870.

It is an arithmetic number, because the mean of its divisors is an integer number (3125172).

Almost surely, 2^140443600 is an apocalyptic number.

140443600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140443600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187510320).

140443600 is an abundant number, since it is smaller than the sum of its proper divisors (234577040).

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

140443600 is a wasteful number, since it uses less digits than its factorization.

140443600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 140443600 is about 11850.8902619170. The cubic root of 140443600 is about 519.7972582418.

Adding to 140443600 its reverse (6344041), we get a palindrome (146787641).

The spelling of 140443600 in words is "one hundred forty million, four hundred forty-three thousand, six hundred".