140000245 has 32 divisors (see below), whose sum is σ = 212152320. Its totient is φ = 86149440.

The previous prime is 140000213. The next prime is 140000249. The reversal of 140000245 is 542000041.

It is not a de Polignac number, because 140000245 - 2⁵ = 140000213 is a prime.

140000245 is a modest number, since divided by 245 gives 140 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140000249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28114 + ... + 32716.

It is an arithmetic number, because the mean of its divisors is an integer number (6629760).

Almost surely, 2^140000245 is an apocalyptic number.

It is an amenable number.

140000245 is a deficient number, since it is larger than the sum of its proper divisors (72152075).

140000245 is a wasteful number, since it uses less digits than its factorization.

140000245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4705.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 140000245 is about 11832.1699193343. The cubic root of 140000245 is about 519.2497130804.

Adding to 140000245 its reverse (542000041), we get a palindrome (682000286).

The spelling of 140000245 in words is "one hundred forty million, two hundred forty-five", and thus it is an aban number.