345501545 has 4 divisors (see below), whose sum is σ = 414601860. Its totient is φ = 276401232.

The previous prime is 345501539. The next prime is 345501571. The reversal of 345501545 is 545105543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 258695056 + 86806489 = 16084^2 + 9317^2 .

It is a cyclic number.

It is not a de Polignac number, because 345501545 - 2¹⁰ = 345500521 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34550150 + ... + 34550159.

It is an arithmetic number, because the mean of its divisors is an integer number (103650465).

Almost surely, 2^345501545 is an apocalyptic number.

It is an amenable number.

345501545 is a deficient number, since it is larger than the sum of its proper divisors (69100315).

345501545 is an equidigital number, since it uses as much as digits as its factorization.

345501545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69100314.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 345501545 is about 18587.6718552916. The cubic root of 345501545 is about 701.6976109886.

The spelling of 345501545 in words is "three hundred forty-five million, five hundred one thousand, five hundred forty-five".