140024250 has 48 divisors (see below), whose sum is σ = 378631656. Its totient is φ = 37339200.

The previous prime is 140024249. The next prime is 140024309. The reversal of 140024250 is 52420041.

It can be written as a sum of positive squares in 4 ways, for example, as 79977249 + 60047001 = 8943^2 + 7749^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28867 + ... + 33366.

Almost surely, 2^140024250 is an apocalyptic number.

140024250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140024250 is an abundant number, since it is smaller than the sum of its proper divisors (238607406).

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

140024250 is a wasteful number, since it uses less digits than its factorization.

140024250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62256 (or 62243 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 140024250 is about 11833.1842713616. The cubic root of 140024250 is about 519.2793889262.

Adding to 140024250 its reverse (52420041), we get a palindrome (192444291).

The spelling of 140024250 in words is "one hundred forty million, twenty-four thousand, two hundred fifty".