303243342545 has 48 divisors (see below), whose sum is σ = 431534449152. Its totient is φ = 202782228480.

The previous prime is 303243342541. The next prime is 303243342569. The reversal of 303243342545 is 545243342303.

It is not a de Polignac number, because 303243342545 - 2² = 303243342541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 303243342499 and 303243342508.

It is not an unprimeable number, because it can be changed into a prime (303243342541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2325344 + ... + 2452286.

It is an arithmetic number, because the mean of its divisors is an integer number (8990301024).

Almost surely, 2^303243342545 is an apocalyptic number.

It is an amenable number.

303243342545 is a deficient number, since it is larger than the sum of its proper divisors (128291106607).

303243342545 is a wasteful number, since it uses less digits than its factorization.

303243342545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127242 (or 127229 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 38.

Adding to 303243342545 its reverse (545243342303), we get a palindrome (848486684848).

The spelling of 303243342545 in words is "three hundred three billion, two hundred forty-three million, three hundred forty-two thousand, five hundred forty-five".