140315443 has 2 divisors, whose sum is σ = 140315444. Its totient is φ = 140315442.

The previous prime is 140315431. The next prime is 140315449. The reversal of 140315443 is 344513041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140315443 - 2⁹ = 140314931 is a prime.

It is not a weakly prime, because it can be changed into another prime (140315449) 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 as a sum of consecutive naturals, namely, 70157721 + 70157722.

It is an arithmetic number, because the mean of its divisors is an integer number (70157722).

Almost surely, 2^140315443 is an apocalyptic number.

140315443 is a deficient number, since it is larger than the sum of its proper divisors (1).

140315443 is an equidigital number, since it uses as much as digits as its factorization.

140315443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 140315443 is about 11845.4819657117. The cubic root of 140315443 is about 519.6391023934.

Adding to 140315443 its reverse (344513041), we get a palindrome (484828484).

The spelling of 140315443 in words is "one hundred forty million, three hundred fifteen thousand, four hundred forty-three".