140444250 has 64 divisors (see below), whose sum is σ = 352684800. Its totient is φ = 37224000.

The previous prime is 140444243. The next prime is 140444273. The reversal of 140444250 is 52444041.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 140444250.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148780 + ... + 149720.

It is an arithmetic number, because the mean of its divisors is an integer number (5510700).

Almost surely, 2^140444250 is an apocalyptic number.

140444250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140444250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176342400).

140444250 is an abundant number, since it is smaller than the sum of its proper divisors (212240550).

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

140444250 is a wasteful number, since it uses less digits than its factorization.

140444250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160 (or 1150 counting only the distinct ones).

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

The square root of 140444250 is about 11850.9176859853. The cubic root of 140444250 is about 519.7980601478.

Adding to 140444250 its reverse (52444041), we get a palindrome (192888291).

It can be divided in two parts, 1404 and 44250, that added together give a palindrome (45654).

The spelling of 140444250 in words is "one hundred forty million, four hundred forty-four thousand, two hundred fifty".