140245250 has 32 divisors (see below), whose sum is σ = 263952000. Its totient is φ = 55796400.

The previous prime is 140245181. The next prime is 140245253. The reversal of 140245250 is 52542041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (140245253) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 48341 + ... + 51159.

It is an arithmetic number, because the mean of its divisors is an integer number (8248500).

Almost surely, 2^140245250 is an apocalyptic number.

140245250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140245250 is a deficient number, since it is larger than the sum of its proper divisors (123706750).

140245250 is a wasteful number, since it uses less digits than its factorization.

140245250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035 (or 3025 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 140245250 is about 11842.5187354718. The cubic root of 140245250 is about 519.5524378737.

Adding to 140245250 its reverse (52542041), we get a palindrome (192787291).

The spelling of 140245250 in words is "one hundred forty million, two hundred forty-five thousand, two hundred fifty".