149989303 has 2 divisors, whose sum is σ = 149989304. Its totient is φ = 149989302.

The previous prime is 149989277. The next prime is 149989309. The reversal of 149989303 is 303989941.

It is a strong prime.

It is an emirp because it is prime and its reverse (303989941) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149989303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149989309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74994651 + 74994652.

It is an arithmetic number, because the mean of its divisors is an integer number (74994652).

Almost surely, 2^149989303 is an apocalyptic number.

149989303 is a deficient number, since it is larger than the sum of its proper divisors (1).

149989303 is an equidigital number, since it uses as much as digits as its factorization.

149989303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 149989303 is about 12247.0120029336. The cubic root of 149989303 is about 531.3166540036.

The spelling of 149989303 in words is "one hundred forty-nine million, nine hundred eighty-nine thousand, three hundred three".