303234149 has 2 divisors, whose sum is σ = 303234150. Its totient is φ = 303234148.

The previous prime is 303234137. The next prime is 303234193. The reversal of 303234149 is 941432303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 265103524 + 38130625 = 16282^2 + 6175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-303234149 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (303234119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151617074 + 151617075.

It is an arithmetic number, because the mean of its divisors is an integer number (151617075).

Almost surely, 2^303234149 is an apocalyptic number.

It is an amenable number.

303234149 is a deficient number, since it is larger than the sum of its proper divisors (1).

303234149 is an equidigital number, since it uses as much as digits as its factorization.

303234149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 303234149 is about 17413.6196409592. The cubic root of 303234149 is about 671.8299635044.

The spelling of 303234149 in words is "three hundred three million, two hundred thirty-four thousand, one hundred forty-nine".