345052155 has 32 divisors (see below), whose sum is σ = 634258944. Its totient is φ = 156911616.

The previous prime is 345052129. The next prime is 345052157. The reversal of 345052155 is 551250543.

It is a happy number.

It is not a de Polignac number, because 345052155 - 2⁶ = 345052091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345052157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11752 + ... + 28778.

It is an arithmetic number, because the mean of its divisors is an integer number (19820592).

Almost surely, 2^345052155 is an apocalyptic number.

345052155 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

345052155 is a deficient number, since it is larger than the sum of its proper divisors (289206789).

345052155 is a wasteful number, since it uses less digits than its factorization.

345052155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17235.

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

The square root of 345052155 is about 18575.5795333551. The cubic root of 345052155 is about 701.3932489090.

The spelling of 345052155 in words is "three hundred forty-five million, fifty-two thousand, one hundred fifty-five".