345045523 has 8 divisors (see below), whose sum is σ = 350241408. Its totient is φ = 339862464.

The previous prime is 345045487. The next prime is 345045539. The reversal of 345045523 is 325540543.

It is a happy number.

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 345045523 - 2²⁵ = 311491091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345040523) 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, 60261 + ... + 65737.

It is an arithmetic number, because the mean of its divisors is an integer number (43780176).

Almost surely, 2^345045523 is an apocalyptic number.

345045523 is a deficient number, since it is larger than the sum of its proper divisors (5195885).

345045523 is an equidigital number, since it uses as much as digits as its factorization.

345045523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6413.

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 345045523 is about 18575.4010185514. The cubic root of 345045523 is about 701.3887552213.

The spelling of 345045523 in words is "three hundred forty-five million, forty-five thousand, five hundred twenty-three".