140501245 has 4 divisors (see below), whose sum is σ = 168601500. Its totient is φ = 112400992.

The previous prime is 140501237. The next prime is 140501279. The reversal of 140501245 is 542105041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542105041 = 53 ⋅10228397.

It can be written as a sum of positive squares in 2 ways, for example, as 19545241 + 120956004 = 4421^2 + 10998^2 .

It is a cyclic number.

It is not a de Polignac number, because 140501245 - 2³ = 140501237 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 14050120 + ... + 14050129.

It is an arithmetic number, because the mean of its divisors is an integer number (42150375).

Almost surely, 2^140501245 is an apocalyptic number.

It is an amenable number.

140501245 is a deficient number, since it is larger than the sum of its proper divisors (28100255).

140501245 is an equidigital number, since it uses as much as digits as its factorization.

140501245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28100254.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 140501245 is about 11853.3221081687. The cubic root of 140501245 is about 519.8683653490.

Adding to 140501245 its reverse (542105041), we get a palindrome (682606286).

The spelling of 140501245 in words is "one hundred forty million, five hundred one thousand, two hundred forty-five".