303145145 has 8 divisors (see below), whose sum is σ = 363926400. Its totient is φ = 242414640.

The previous prime is 303145123. The next prime is 303145153. The reversal of 303145145 is 541541303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 303145145 - 2⁶ = 303145081 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2006 + ... + 24704.

It is an arithmetic number, because the mean of its divisors is an integer number (45490800).

Almost surely, 2^303145145 is an apocalyptic number.

It is an amenable number.

303145145 is a deficient number, since it is larger than the sum of its proper divisors (60781255).

303145145 is a wasteful number, since it uses less digits than its factorization.

303145145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25375.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 303145145 is about 17411.0638675527. The cubic root of 303145145 is about 671.7642261795.

Adding to 303145145 its reverse (541541303), we get a palindrome (844686448).

The spelling of 303145145 in words is "three hundred three million, one hundred forty-five thousand, one hundred forty-five".