140345250 has 32 divisors (see below), whose sum is σ = 350303616. Its totient is φ = 37425200.

The previous prime is 140345213. The next prime is 140345263. The reversal of 140345250 is 52543041.

It is a self number, because there is not a number n which added to its sum of digits gives 140345250.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92814 + ... + 94313.

It is an arithmetic number, because the mean of its divisors is an integer number (10946988).

Almost surely, 2^140345250 is an apocalyptic number.

140345250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140345250 is an abundant number, since it is smaller than the sum of its proper divisors (209958366).

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

140345250 is a wasteful number, since it uses less digits than its factorization.

140345250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187147 (or 187137 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 140345250 is about 11846.7400579231. The cubic root of 140345250 is about 519.6758951744.

Adding to 140345250 its reverse (52543041), we get a palindrome (192888291).

The spelling of 140345250 in words is "one hundred forty million, three hundred forty-five thousand, two hundred fifty".