345502155 has 16 divisors (see below), whose sum is σ = 559802880. Its totient is φ = 181934688.

The previous prime is 345502141. The next prime is 345502163. The reversal of 345502155 is 551205543.

It is a happy number.

It is not a de Polignac number, because 345502155 - 2⁴ = 345502139 is a prime.

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, 144597 + ... + 146966.

It is an arithmetic number, because the mean of its divisors is an integer number (34987680).

Almost surely, 2^345502155 is an apocalyptic number.

345502155 is a deficient number, since it is larger than the sum of its proper divisors (214300725).

345502155 is a wasteful number, since it uses less digits than its factorization.

345502155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291650.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 345502155 is about 18587.6882640096. The cubic root of 345502155 is about 701.6980239489.

Adding to 345502155 its reverse (551205543), we get a palindrome (896707698).

The spelling of 345502155 in words is "three hundred forty-five million, five hundred two thousand, one hundred fifty-five".