32140445 has 8 divisors (see below), whose sum is σ = 38617344. Its totient is φ = 25679824.

The previous prime is 32140417. The next prime is 32140463. The reversal of 32140445 is 54404123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32140445 - 2⁸ = 32140189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32140445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812 + ... + 8058.

It is an arithmetic number, because the mean of its divisors is an integer number (4827168).

Almost surely, 2^32140445 is an apocalyptic number.

It is an amenable number.

32140445 is a deficient number, since it is larger than the sum of its proper divisors (6476899).

32140445 is an equidigital number, since it uses as much as digits as its factorization.

32140445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8139.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 32140445 is about 5669.2543601430. The cubic root of 32140445 is about 317.9439961764.

Adding to 32140445 its reverse (54404123), we get a palindrome (86544568).

The spelling of 32140445 in words is "thirty-two million, one hundred forty thousand, four hundred forty-five".