303030145729 has 4 divisors (see below), whose sum is σ = 303033230676. Its totient is φ = 303027060784.

The previous prime is 303030145711. The next prime is 303030145739. The reversal of 303030145729 is 927541030303.

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 161244008704 + 141786137025 = 401552^2 + 376545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-303030145729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (303030145739) 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 3 ways as a sum of consecutive naturals, for example, 1390114 + ... + 1593259.

It is an arithmetic number, because the mean of its divisors is an integer number (75758307669).

Almost surely, 2^303030145729 is an apocalyptic number.

It is an amenable number.

303030145729 is a deficient number, since it is larger than the sum of its proper divisors (3084947).

303030145729 is a wasteful number, since it uses less digits than its factorization.

303030145729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3084946.

The product of its (nonzero) digits is 68040, while the sum is 37.

The spelling of 303030145729 in words is "three hundred three billion, thirty million, one hundred forty-five thousand, seven hundred twenty-nine".