303402141 has 24 divisors (see below), whose sum is σ = 502744320. Its totient is φ = 172718496.

The previous prime is 303402137. The next prime is 303402149. The reversal of 303402141 is 141204303.

It is not a de Polignac number, because 303402141 - 2² = 303402137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303402149) 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 23 ways as a sum of consecutive naturals, for example, 7996 + ... + 25898.

It is an arithmetic number, because the mean of its divisors is an integer number (20947680).

Almost surely, 2^303402141 is an apocalyptic number.

It is an amenable number.

303402141 is a deficient number, since it is larger than the sum of its proper divisors (199342179).

303402141 is a wasteful number, since it uses less digits than its factorization.

303402141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18185 (or 18182 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 303402141 is about 17418.4425537991. The cubic root of 303402141 is about 671.9540054086.

Adding to 303402141 its reverse (141204303), we get a palindrome (444606444).

The spelling of 303402141 in words is "three hundred three million, four hundred two thousand, one hundred forty-one".