354245305 has 4 divisors (see below), whose sum is σ = 425094372. Its totient is φ = 283396240.

The previous prime is 354245267. The next prime is 354245321. The reversal of 354245305 is 503542453.

It is a happy number.

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 174979984 + 179265321 = 13228^2 + 13389^2 .

It is a de Polignac number, because none of the positive numbers 2^k-354245305 is a prime.

It is a super-3 number, since 3×354245305³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian 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, 35424526 + ... + 35424535.

It is an arithmetic number, because the mean of its divisors is an integer number (106273593).

Almost surely, 2^354245305 is an apocalyptic number.

It is an amenable number.

354245305 is a deficient number, since it is larger than the sum of its proper divisors (70849067).

354245305 is an equidigital number, since it uses as much as digits as its factorization.

354245305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70849066.

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

The square root of 354245305 is about 18821.4055001214. The cubic root of 354245305 is about 707.5677568740.

Adding to 354245305 its reverse (503542453), we get a palindrome (857787758).

The spelling of 354245305 in words is "three hundred fifty-four million, two hundred forty-five thousand, three hundred five".