303420045 has 8 divisors (see below), whose sum is σ = 485472096. Its totient is φ = 161824016.

The previous prime is 303420043. The next prime is 303420077. The reversal of 303420045 is 540024303.

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 303420045 - 2¹ = 303420043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303420043) 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, 10113987 + ... + 10114016.

It is an arithmetic number, because the mean of its divisors is an integer number (60684012).

Almost surely, 2^303420045 is an apocalyptic number.

It is an amenable number.

303420045 is a deficient number, since it is larger than the sum of its proper divisors (182052051).

303420045 is a wasteful number, since it uses less digits than its factorization.

303420045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20228011.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 303420045 is about 17418.9564842444. The cubic root of 303420045 is about 671.9672226608.

Adding to 303420045 its reverse (540024303), we get a palindrome (843444348).

The spelling of 303420045 in words is "three hundred three million, four hundred twenty thousand, forty-five".