140352445 has 16 divisors (see below), whose sum is σ = 173715840. Its totient is φ = 108808000.

The previous prime is 140352403. The next prime is 140352467. The reversal of 140352445 is 544253041.

It is not a de Polignac number, because 140352445 - 2²³ = 131963837 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 15 ways as a sum of consecutive naturals, for example, 17595 + ... + 24295.

It is an arithmetic number, because the mean of its divisors is an integer number (10857240).

Almost surely, 2^140352445 is an apocalyptic number.

It is an amenable number.

140352445 is a deficient number, since it is larger than the sum of its proper divisors (33363395).

140352445 is an equidigital number, since it uses as much as digits as its factorization.

140352445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6836.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 140352445 is about 11847.0437240689. The cubic root of 140352445 is about 519.6847756654.

The spelling of 140352445 in words is "one hundred forty million, three hundred fifty-two thousand, four hundred forty-five".