140245230 has 16 divisors (see below), whose sum is σ = 336588624. Its totient is φ = 37398720.

The previous prime is 140245181. The next prime is 140245253. The reversal of 140245230 is 32542041.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140245197 and 140245206.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2337391 + ... + 2337450.

It is an arithmetic number, because the mean of its divisors is an integer number (21036789).

Almost surely, 2^140245230 is an apocalyptic number.

140245230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140245230 is an abundant number, since it is smaller than the sum of its proper divisors (196343394).

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

140245230 is a wasteful number, since it uses less digits than its factorization.

140245230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4674851.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 140245230 is about 11842.5178910568. The cubic root of 140245230 is about 519.5524131764.

Adding to 140245230 its reverse (32542041), we get a palindrome (172787271).

The spelling of 140245230 in words is "one hundred forty million, two hundred forty-five thousand, two hundred thirty".