340048155 has 16 divisors (see below), whose sum is σ = 547418880. Its totient is φ = 180245088.

The previous prime is 340048151. The next prime is 340048157. The reversal of 340048155 is 551840043.

It is not a de Polignac number, because 340048155 - 2² = 340048151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340048151) 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 in 15 ways as a sum of consecutive naturals, for example, 67095 + ... + 71984.

It is an arithmetic number, because the mean of its divisors is an integer number (34213680).

Almost surely, 2^340048155 is an apocalyptic number.

340048155 is a deficient number, since it is larger than the sum of its proper divisors (207370725).

340048155 is a wasteful number, since it uses less digits than its factorization.

340048155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139250.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 340048155 is about 18440.3946541282. The cubic root of 340048155 is about 697.9861540536.

Adding to 340048155 its reverse (551840043), we get a palindrome (891888198).

The spelling of 340048155 in words is "three hundred forty million, forty-eight thousand, one hundred fifty-five".