32340155 has 4 divisors (see below), whose sum is σ = 38808192. Its totient is φ = 25872120.

The previous prime is 32340149. The next prime is 32340179. The reversal of 32340155 is 55104323.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-32340155 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 32340155.

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, 3234011 + ... + 3234020.

It is an arithmetic number, because the mean of its divisors is an integer number (9702048).

Almost surely, 2^32340155 is an apocalyptic number.

32340155 is a deficient number, since it is larger than the sum of its proper divisors (6468037).

32340155 is an equidigital number, since it uses as much as digits as its factorization.

32340155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6468036.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 32340155 is about 5686.8405112153. The cubic root of 32340155 is about 318.6011695297.

Adding to 32340155 its reverse (55104323), we get a palindrome (87444478).

The spelling of 32340155 in words is "thirty-two million, three hundred forty thousand, one hundred fifty-five".