340030155 has 8 divisors (see below), whose sum is σ = 544048272. Its totient is φ = 181349408.

The previous prime is 340030153. The next prime is 340030169. The reversal of 340030155 is 551030043.

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 340030155 - 2¹ = 340030153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340030151) 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 7 ways as a sum of consecutive naturals, for example, 11334324 + ... + 11334353.

It is an arithmetic number, because the mean of its divisors is an integer number (68006034).

Almost surely, 2^340030155 is an apocalyptic number.

340030155 is a deficient number, since it is larger than the sum of its proper divisors (204018117).

340030155 is a wasteful number, since it uses less digits than its factorization.

340030155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22668685.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 340030155 is about 18439.9065887005. The cubic root of 340030155 is about 697.9738381778.

Adding to 340030155 its reverse (551030043), we get a palindrome (891060198).

The spelling of 340030155 in words is "three hundred forty million, thirty thousand, one hundred fifty-five".