345157155 has 48 divisors (see below), whose sum is σ = 688746240. Its totient is φ = 156631104.

The previous prime is 345157151. The next prime is 345157157. The reversal of 345157155 is 551751543.

It is a happy number.

345157155 is a `hidden beast` number, since 3 + 451 + 57 + 155 = 666.

It is not a de Polignac number, because 345157155 - 2² = 345157151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345157151) 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 47 ways as a sum of consecutive naturals, for example, 39844 + ... + 47726.

It is an arithmetic number, because the mean of its divisors is an integer number (14348880).

Almost surely, 2^345157155 is an apocalyptic number.

345157155 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

345157155 is a deficient number, since it is larger than the sum of its proper divisors (343589085).

345157155 is a wasteful number, since it uses less digits than its factorization.

345157155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8040 (or 8037 counting only the distinct ones).

The product of its digits is 52500, while the sum is 36.

The square root of 345157155 is about 18578.4056097395. The cubic root of 345157155 is about 701.4643867752.

It can be divided in two parts, 3451 and 57155, that added together give a palindrome (60606).

The spelling of 345157155 in words is "three hundred forty-five million, one hundred fifty-seven thousand, one hundred fifty-five".